40 de thi thu dai hoc cac truong

7/27/2019 40 de Thi Thu Dai Hoc Cac Truong

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GROUP

2013

40 THI THI HC

CHN LCmn HA HC

Version 1.0


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Tng Vn Bnh Nguyn Thanh Long Dng Cng Tr|ng Trn nh Thim Don Trung San Nguyn Ngc Thin V Hng i Phm Th Trang Nhung Th Hin Cao c Tun Trn

Vn ng Ho{ng nh Quang Trng nh c Nguyn Xun Tuyn Nguyn Vn Ha

40 THI THI HCCHN LC

mn HA HCVersion 1.0

Chc em thi vo trng i hc m em hng m c!

Anh ch GSTT lun tin tng em!


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MC LCi nt v GSTT Group ..................................................................................................................................................................................5

Li ta ...................................................................................................................................................................................................................7

MT S KINH NGHIM HC HA CA ANH CH GSTT GROUP ..............................................................................................8

Phn 1: bi ............................................................................................................................................................... 11

s 1: Chuyn H Long Qung Ninh ln 1 - 2012 ................................................................................................................. 11

s 2: THPT Nguyn Tt Thnh H Ni ln 2-2012 ............................................................................................................ 17

s3: thi HSG Thi Bnh 2009-2010 ....................................................................................................................................... 23

s4: thi HSG Thi Bnh 2010-2011 ....................................................................................................................................... 28

s5: thi HSG Thi Bnh 2011-2012 ....................................................................................................................................... 33

s 6: HSG tnh Thi Bnh 2012 2013 ........................................................................................................................................ 38

s7: Chuyn Hng Vng Ph Th ln 2-2012 ................................................................................................................ 43

s8: Chuyn L Qu n - Qung Tr ln 1-2011 ................................................................................................................. 49

s9: Chuyn L Qu n Qung Tr ln 1-2012 ................................................................................................................ 54

s10: Chuyn L Qu n Qung Tr ln 2-2012 .............................................................................................................. 60

s11: Chuyn L Qu n Qung Tr ln 3-2011 .............................................................................................................. 64

s 12: GSTT Group ln 1-2012 ........................................................................................................................................................ 73

s 13: GSTT GRoup ln 2- 2012 ...................................................................................................................................................... 79

s 14: Chuyn Trn Ph-Hi Phng ln 2-2012 ..................................................................................................................... 85

s15: Chuyn i hc Vinh ln 1-2011 ..................................................................................................................................... 91

s 16: Chuyn Vinh ln 2-2011 ....................................................................................................................................................... 97

s17: Chuyn i hc Vinh ln 3- 2011 ................................................................................................................................ 102

s 18 : Chuyn i hc Vinh ln 4-2011 ................................................................................................................................. 108

s19: Chuyn i hc Vinh ln 1-2012 .................................................................................................................................. 115




s 23: Nguyn Hu ln 1-2011 ..................................................................................................................................................... 141

s 24: Chuyn Nguyn Hu - H Ni ln 2-2011................................................................................................................. 146

s 25: Chuyn Nguyn Hu - H Ni ln 3-2011 ............................................................................................................... 152

s 26: Nguyn Hu ln 4 2011.................................................................................................................................................. 158

s 27: Chuyn Nguyn Hu - H Ni ln 1 -2012 ............................................................................................................... 163



s 30: Chuyn Nguyn Hu - H Ni ln 4-2012 ............................................................................................................... 183

s31: kho st cht lng chuyn Vnh Phc ln 3 -2012..................................................................................... 190

s32: Chuyn Vnh Phc ln 4 - 2012...................................................................................................................................... 194


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s36: KHTN ln 6 - 2012......................................................................................................................................................... 218

s37: Trn Ph-Hi Phng ln 2-2012 ............................................................................................................................ 222

s 38: Quc hc Hu ln 1 - 2012 ............................................................................................................................................... 228

s 39: Thi Bnh ln 4-2012 .......................................................................................................................................................... 234

s 40: Nguyn Tt Thnh ln 2-2012 ....................................................................................................................................... 240

Phn 2: p n ........................................................................................................................................................... 246


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i nt v GSTT Group

I. Gii thiu chung

Sng trong i sng cn c mt tm lng

lm g em bit khng ?

gi cun i

Ly cm hng t ca ttrong b{i h|t gi cun i ca c nhc s Trnh Cng Sn v{ c}u hi l{ l{m

thn{o cng hin cho x hi nhiu nht khi mnh ang cn l{ sinh vin? , chng ti ~ th{nh lp nn

GSTT Group.

c th{nh lp v{o ng{y 6/5/2011, GSTT Group ~ tri qua hn mt nm hnh th{nh v{ ph|t trin.

GSTT Groupl{ ni hi t c|c sinh vin u t n t c|c trng i hc. C|c th{nh vin caGSTT

Groupu c nhng th{nh tch |ng n trong hc tp. C|c th{nh vin ca GSTT Group u l{ nhng th

khoa, | khoa, t gii Olympic Quc gia, quc t v{ nhng bn sinh vin gii c|c trng. Trong nhng ng{y

u th{nh lp GSTT Groupch yu hot ng mng online bng vic thc hin nhng b{i ging trc tuyn

v{ h tr c|c em hc sinh trn din {n. K t u nm 2012, GSTT Group ~ m rng hot ng ca

mnh sang c|c lnh vc kh|c nh t chc ging dy tnh nguyn c|c trung t}m bo tr x~ hi, t chc thith i hc cho hc sinh 12, t chc chng trnh giao lu vi hc sinh lp 12 ti c|c trng cp 3,

Khng ch gi{u lng nhit huyt vi c|c th h {n em i sau, GSTT Groupcn rt ch trng ti vic

hc tp ca c|c th{nh vin. K t nm hc 20122013, GSTT Groupth{nh lp c|c c}u lc b hc tp d{nh

cho c|c th{nh vin. Mt s c}u lc b ~ i v{o hot ng nh : C}u lc b ting Anh, c}u lc b Lut, C}u

lc b kinh t i ngoi, C}u lc b Y. Ngo{i ra, c|c th{nh vin GSTT Group c iu kin tri nghim,

l{m quen vi cng vic khi ra trng, GSTT Groupt chc chng trnh JOB TALK. Nhng chia s v cng

vic v{ cuc sng ca c|c v kh|ch mi s gip c|c th{nh vin trng th{nh hn khi ra trng.

Vi phng ch}mcho i l nhn v mi mi, chng ti nguyn em ht sc mnh mang nhngkin thc ca mnh truyn t li cho c|c th h {n em

S mnh: Kt ni yu thng

Tm nhn: Trong 1 nm ti hnh nh GSTT Groups n vi tt c c|c em hc sinh trn c nc, c bit

l{ nhng em c mnh i bt hnh. GSTT Groups l{ mt i gia nh vi nhiu th h hc sinh, sinh vin,

n s}u trong tim thc hc sinh, sinh vin Vit Nam.

Slogan: 1. Light the way 2. Sharing the value
http://gstt.vn/http://gstt.vn/http://gstt.vn/


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Li taCc em hc sinh thn mn!Chcn cha y 6 thng na l ti kthi i hc ri. Trong giai on ny cc em cn nhanh chng tng tcho{n th{nh chng trnh tin hnh chin dch luyn . C th ni vic luyn ng gp mt phn vcng quan trng i vi s thnh cng ca qu trnh n luyn. Nhiu hc sinh, b rt nhiu thi gian rngia c|c dng b{i, tuy nhin khng u t ng mc n vic luyn nn ~ |nh mt rt nhiu im khi ithi tht. Rt nhiu anh chGSTT Group cng tng tri qua nhng s hi tic nh th. Nhn thc c iu

n{y, trong chngtrnh TIP SC MA THI, ngo{i vic h tr cc em hc tp trn din {n gstt.vn v{trn facebook, GSTT Group s tin hnh chn lc c|c thi th cht lng m trong qu trnh n luyn ckt c cc em tin cho vic l{m . Do thi gian c hn nn cc anh ch khng th trnh by li gii chitit c. Tuy nhin, cc anh ch s h trc|c em trong qu| trnh l{m . Mi thc mc sc anh ch gii|p ng{y v{ lun trn h thng web v page h tr hc tp ca GSTT Group. Tuyn tp 36 thi th chtlng v{ |p |n c tng hp bi cc anh ch sau:

1- Nguyn Thanh Long -2- Don Trung San3- Dng Cng Tr|ng4- Ho{ng nh Quang

5- Tng Vn Bnh6- Cao c Tun7- Trn nh Thim8- Phm Th Trang Nhung9- Th Hin10-Nguyn Vn Ha11-Nguyn Xu}n Tuyn12-Trn Vn ng13-Trng nh c

Mc d ~ rt c gng kim tra v{ chnh sa nhng c l khng th tr|nh khi thiu st, anh ch rt mong c|c

em thng cm v{ cng anh ch khc phc nhng thiu st chng ta c th ra nhng version mi ho{nchnh hn!Xin ch}n th{nh cm n c|c em v{ c|c qu c gi!Nhm tng hp!


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MT S KINH NGHIM HC HA CA ANH CH GSTT GROUP (Trch trong cun Tuyn tp 90 thi thkm li gii chi tit v bnh lun Tp 1- LOVEBOOK.VN)

Vi vic ~ may mn Thkhoa trng i hc Dc H Ni v{ trng i hc Y H Ni vi im thi 2khi A v{ B t 29 im. Anh mun chia si li n cc em. Mun hc tt trc ht nn x|c nh r rngmc tiu hc tp, c nim tin, ng lc cho ring mnh hng ti v c mt thi gian biu, k hoch hctp nghngi hp l. Tng mn hc c nhng c im ring, vi mn Ha cc em nn nm vng kin thc l

thuyt v{ phng ph|p gii bi. Kt hp li v nng cao nn bng cch luyn v lm tht nhiu bi tp, rtkinh nghim v ghi nh nhng iu cn ch . Vic lm bi tp v luyn s gip cc em rt nhiu, n vahon thin kin thc va n}ng cao k nng l{m b{i. Vi i li tm s ca anh hi vng s gip cc em mtphn n{o . Chc c|c em s c nhng thnh cng khng chtrong k thi i hc m cn c trong cuc sng.

DON TRUNG SAN ThKhoa Dc H Ni

Kh|c vi mn L, phn l thuyt Ha thng kh v{ |nh hc sinh hn. nm vng kin thc l thuytmn Ha, khng cn cch no khc m{ ch yu l{ hc thuc. C th lc u ta khng th thuc ht, m{ s hcthuc t t, v{ c bit phi l{m nhiu b{i tp, v ch c khi l{m b{i tp, ta qun ch n{o th s gi s|ch hc thuc li ch . Ta cng khng cn phi hc thuc qu| k, m{ rt ngn thi gian v{ lng kin thc

hc thuc, ta nn c mt cht t duy, nh lp bng so s|nh gia c|c cht, lin h c|c cht cng d~y ngng, hoc cng mt nhm trong bng tun ho{n.... Tuy nhin, cn phi hc thuc k nhng kin thc nh:tn cc qung v c, c|c cht hu c hay dng v{ tn gi thng thng ...*V phn b{i tp: Mun l{m tt c|c b{i tp Ha hc, ta cn phi vn dng gia l thuyt v{ c|ch tnh to|n. Cnphi nh c|c phng trnh ha hc, c|c th t xy ra phn ng ... V c|ch tnh: cn |p dng nhun nhuync|c c|ch nh: tng gim khi lng, s mol; Bo to{n mol electron, bo to{n nguyn t, bo to{n in tch;Phng ph|p trung bnh, Phng ph|p quy i, ... Cn phi |p dng th{nh thc n khi n{o ch cn nhn l{ ta c th bit ngay c|ch l{m cho b{i . Mn Ha l{ mn trc nghim, ch c 90 pht nn tc l{m b{i l{v cng quan trng, phi m bo va nhanh va chnh x|c. V{ khng c c|ch n{o luyn l{m nhanh v{chnh x|c hn c|ch l{m nhiu . Khi c|c bn l{m tht nhiu , c th ln mt s l{m thiu thi gian, tuy

nhin l{m nhiu c|c bn s y nhanh c tc l{m b{i. V{ khi gp mt b{i kh, nu khng l{m c, cnphi hi bn b hoc thy c ngay bit c|ch l{m.*V k nng l{m b{i : c k l{m t c}u d n c}u kh, s dng c|c c|ch l{m trc nghim nh: loi tr,m}u thun gia c|c phng |n (V d: nu A ng th B, C cng ng), v{ c bit l{ k nng th |p |n (hocd o|n |p |n ri th) cho c|c c}u b{i tp. Th ngc li |p |n l{ mt c|ch rt hu hiu, i khi vic th|p |n cn nhanh hn c chng ta tnh bnh thng.

DNG CNG TRNG Th Khoa Kinh T Quc Dn

Mt b{i thi t kt qu cao yu cu cc em cn c mt vn kin thc tt v mn Ha,l thuyt vng chc vtnh ton nhanh gn,chnh xc. Tt nhin,c c iu ,c|c em phi lun n lc ht mnh, u t thi

gian v cng sc ''cy''. V kinh nghim ca bn thn anh, mun hc tt l thuyt th cc em phi hc thtk s|ch gi|o khoa,ngo{i ra l{ c|c loi sch tham kho,cc chui phn ng ha hc, ch no quan trng, em cth gch chn bng bt mu...vi mi mt phn,cc em nn h thng l thuyt bng''s t duy'' mt cngc hu hiu m c th gii ~ cng nhn.Anh chc chn rng,nu thc hin tt vic ny th kin thc Ha hchay c|c mn kh|c u c ci thin r rt...v cc chi tit ch m gio vin trn lp ging ,cc em nn ghivo mt cun stay v{ h~y thng xuyn m n ra xem nh. Cn v phn tnh ton, cc em hy rn luynphng ph|p tnh nhm, tnh nhanh nh bo ton electron, bo ton nguyn t, bo ton khi lng hay s cho. N s gip cc em tit kim c nhiu thi gian khi lm bi m li rt chnh xc. Ngoi ra cc emcn luyn tp tht nhiu bi tp trong c|c thi nm c tt c cc dng bi tp hay, khv{ cn trnhc cc by trong khi lm bi Ha.

Lp 12, cc em s kh vt v vi cc k thi trin min, cc mn hc trn lp, cng nh k thi tt nghip, vynn cc em phi bit sp xp thi gian hp l hc tp tht tt. Chc cc em hc tht tt!


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Theo mnh, mun hc tt mn Ha cn phi hc hiu, khng phi hc thuc lng my mc cc cng thc hayl thuyt v vy trc tin cc bn phi yu thch mn Ha v khi c|c bn s cm thy th v khi bit cmt kin thc mi v ghi nh mt cch d dng. Chng hn khi tm hiu v nhng th nghim vui c hintng th v bn s bit nhng phng trnh ha hc m{ s|ch gi|o khoa khng cp ti. V d khitrnKMnO4viH2SO4m c:H2SO4 2KMnO4 K2SO4 2HMnO4, di tc dng ca H2SO4mcHMnO4mt nctoMn2O7 l cht oxi ha cc k mnh lm bc chy nhiu cht hu c khi tip xc lng dng cho tr o thut "Chm nn khng cn la".

Cn vphng ph|p hc, nhng li tm s ca cc thnh vin nhm bin son u l nhng gi rtqu bu v b ch trong cch hc cho cc bn, mnh ch xin chia s thm mt cht kinh nghim bn thntrong vic nm vng l thuyt. Nhiu bn cho rng mn Ha c nhiu l thuyt cn hc thuc v{ cha tmc cch ghi nhchng nhng mnh khng ngh vy.Trc tin chng ta cn khai thc trit v bm sts|ch gi|o khoa. Sau , c|c bn nn t to cho bn thn nhng mo ring hc bi. V dnh bn thnmnh khi hc vb{i Crom ban u cng hay nhm mu sc ca hai dung dch K2Cr2O7 va K2CrO4nhngmnh tt ra quy lut: K2Cr2O7 c 2 nguyn t Cr trong phn ttng ng vi s nhiu ngha l{ m{udung dch m hn (dung dch c mu da cam) v K2CrO4 c 1 nguyn t Cr trong phn ttng ng vi st ngha l{ m{u dung dch nht hn (dung dch c mu vng). C thquy lut n{y khng c ai cng nhnhay chng minh nhng n s gip bn nh bi mt cch nhanh chng m khng nhm ln d ly im nhng

cu l thuyt trong thi. Ngoi ra, khng ch hc trong sch v m cc bn cn c th hc qua nhngphng tin truyn thng khc m ph bin nht l ti vi. C nhng bi b tr kin thc d ch 30 pht cacc thy nhng ~ gip ch mnh rt nhiu trong vic tip cn nhng kin thc m c thcn cha hc n trn lp. Mnh thng xuyn xem nhng bi hc m khng dy theo phong cch trn lp gia c v tr, chn gin l mt bi hc gii thiu cc hin tng trong th nghim Ha hc thi cng rt th v v b ch, ngip ch cho phn nhn bit, tch cht rt nhiu!

l{ nhng chia s mnh mun gi n cc bn. Mi ngi c mt cch hc khc nhau v vy mnhchc cc bn tm ra phng ph|p hc ph hp nht vi mnh hc tt mn Ha hc ni ring v cc mnkhc ni chung. Chc cc bn c mt nm hc thnh cng v sm t c c m ca mnh!

TH HIN- Hoa Trng Nguyn 2012


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LI KHUYN HC HA

Hc ha chng kh bn i,L thuyt nm vng c ni cn dng.

Quy lut ng nh lung tung,Phi hiu su sc khi dng mi hay.

Hc ha cn c m say,Chu kh tm hiu hm nay i n{o!

Oxi ha-kh l sao?Kh cho o nhn1 nhv{o u ngay.

Kim loi tan chy trn tay,L Gali2 nh, thy hay-kh|c thng!

Este lun c mi hng3,Nc hoa ni ting bn phng tin dng.

Vi sng nh phn ng nung4,| vi khai th|c nhiu vng nc ta.

i khi tng c gp ma,M{ }u hay bit l{ photpho5.

Ma ng d c co ro, Dng than si m ng cho kn nh6.

Hc }u ch kin thc mThc hnh thc t nhiu iu nh lu.

Bn i ng c lo u,Chm ch rn luyn nh cu kin tr.

Chng ti Gstt,Chc bn lm tt nhng g mc tiu.

H Ni, ngy 17/12/2012

Th Hin

1Trong phn ng oxi ha-kh th cht khnhng electron v cht oxi ha nhn electron.2 Kim loi Gali c s hiu nguyn t l 31 l kim loi trong sut khng mu. iu kin thng, Gali c th tan chytrong mt bn tay, lm tiu hy thy tinh, kim loi nhng ho{n to{n th}n thin vi con ngi.3C|c este thng c mi hng d chu nn mt seste c ng dng trong sn xut nc hoa.4

Vi sng (CaO) c iu ch t| vi (CaCO3) theo phn ng: .5 Hin tng pht quang trong bng ti ca photpho trng gi l{ ma tri.6Khi dng than si m khng nn ng kn phng do:


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Phn 1: bi s 1: Chuyn H Long Qung Ninh ln 1 - 2012

I. PHN CHUNG CHO TT C TH SINH (40 cu , t cu 1 n cu 40)

Cu 1:Cho hn hp X gm hai kim loi kim tan ht trong 200ml dung dch cha BaCl 2 0,3M v

Ba(HCO3)20,8M thu c 2,8 lt H2( ktc) v{ m gam kt ta. Gi| tr ca m l{: A. 43,34 B. 49,25 C. 31,52 D. 39,4

Cu 2:Hn hp X gm hiro, propen, propanal, ancol alylic (CH2=CH-CH2OH). t 1 mol hn hp Xthu c 40,32 lt CO2(ktc). un X vi bt Ni mt thi gian thu c hn hp Y c dY

X 1Nu ly 0,1 mol hn hp Y th t|c dng va vi V lt dung dch Br 20,2M. Gi| tr ca V l{:

A. 0,1 lt B. 0,2 lt C. 0,25 lit D. 0,3 mol

Cu 3:D~y c|c kim loi c cu trc mng tinh th lp phng t}m khi l{: A. Ca, Sr, Ba B. Na, K, Ba C. Na, K, Mg D. Mg, Ca, Ba

Cu 4: D~y n{o sau }y gm c|c ion X+, Y2+ ,Z- ,T2- v{ nguyn t M u c cu hnh e l{1s22s22p63s23p6 ?

A. K Ca2 Cl S2 Ar. B. K Ca2 F O2 Ne.C. Na Ca2 Cl O2 Ar. D. K Mg2 Br S2 Ar.

Cu 5:Nhng mt l| st nh v{odung dch cha lng d mt trong nhng cht sau: FeCl 3, AlCl3,CuSO4, Pb(NO3)2, NaCl, HCl, HNO3 long, H2SO4 c nng, NH4NO3. S trng hp phn ng tomui Fe(II) l{:

A. 4 B. 3 C. 6 D. 5

Cu 6: phn ng ht a mol kim loi M cn 1,25a mol H 2SO4 v sinh ra kh X (sn phm kh duy

nht). Ha tan ht 19,2 gam kim loi M v{o dung dch H2SO4to ra 4,48 lt kh X (sn phm kh duynht, ktc). Kim loi M l{:

A. Fe. B. Cu. C. Mg. D. Al.

Cu 7: Cho 3,76 gam hn hp X gm Mg v{ MgO c t l mol tng ng l{ 14:1 t|c dng ht vidung dch HNO3th thu c 0,448 lt mt kh duy nht (o ktc) v{ dung dch Y. C cn cn thndung dch Y thu c 23 gam cht rn khan T. X|c nh s mol HNO3~ phn ng.

A. 0,28 B. 0,36 C. 0,32 D. 0,34

Cu 8:t ch|y ho{n to{n 4,872 gam mt hirocacbon X, dn sn phm ch|y qua bnh ng dungdch nc vi trong. Sau phn ng thu c 27,93 gam kt ta v{ thy khi lng dung dch gim

5,586 gam. Cng thc ph}n t ca X l{:A. CH4 B. C4H8 C. C4H10 D. C3H6

Cu 9:Hn hp X cha K2O, NH4Cl, KHCO3 v BaCl2c s mol bng nhau. Cho X v{o nc d, unnng, dung dch thu c cha cht tan l{:

A. KCl, BaCl2 B. KCl, KOH C. KCl, KHCO3, BaCl2 D. KCl

Cu 10:un nng 10,71 gam hn hp X gm propyl clorua v{ phenyl clorua vi dung dch NaOHlo~ng, va v{ un nng, sau thm tip dung dch AgNO3n d v{o hn hp sau phn ngthu c 8,61 gam kt ta, c|c phn ng xy ra ho{n to{n. Khi lng phenyl clorua c trong hnhp X l{:

A. 4,0 gam. B. 2,71 gam. C. 4,71 gam D. 6,0 gam.

Cu 11: Nung nng ho{n to{n 27,3 gam hn hp NaNO3, Cu(NO3)2. Hn hp kh tho|t ra c dn


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Cu 12:Trn 3 dung dch Ba(OH)20,1M, NaOH 0,2M, KOH 0,3 M vi nhng th tch bng nhau thuc dung dch A . Ly 300ml dung dch A cho phn ng vi V lt dung dch B gm HCl 0,2M v{HNO30,29M, thu c dung dch C c pH =12. Gi| tr ca V l{:

A. 0,134 lt B. 0,414 lt C. 0,424 lt D. 0,214 lt

Cu 13:Ha tan mt lng ancol X v{o nc thu c 6,4 gam dung dch Y, nng ca X trong Y l{71,875%. Cho 6,4 gam dung dch Y t|c dng vi lng d Na thu c 2,8 lt H2(ktc). S nguyn t H c

trong cng thc ph}n t ancol X l{:A. 10 B. 6 C. 8 D.4

Cu 14:Dung dch X cha 14,6 gam HCl v{ 22,56 gam Cu(NO3)2. Thm m (gam) bt st v{o dungdch X, sau khi phn ng xy ra ho{n to{n thu c hn hp kim loi c khi lng l{ 0,628m

(gam) v{ ch to kh NO (sn phm kh duy nht ca N5

). Gi| tr ca m l{:A. 1,92. B. 9,28. C. 14,88. D. 20,00.

Cu 15:Trong t nhin clo c hai ng v c s khi l{ 35 v{ 37. Khi lng trung bnh nguyn tca clo l{ 35,5. Vy % v khi lng ca 37Cl trong axit pecloric HClO4l{ (Cho s khi 1H, 16O):

A. 9,204 B. 9,25 C. 9,45 D. 9,404

Cu 16:Nhit si ca ancol etylic (I), anehit axetic (II), axit axetic (III) v{ axit propionic (IV)sp xp theo th t gim dn l{:

A. I > II > III > IV. B. IV > III > I > II. C. II > III > I > IV. D. IV > I > III > II.Cu 17:Xt ba nguyn t c cu hnh electron ln lt l{:

X: 1s22s22p63s1; Y: 1s22s22p63s2 ; Z: 1s22s22p63s23p1.

Hiroxit ca X, Y, Z xp theo th t tng dn tnh baz l{: A. XOH < Y(OH)2 < Z(OH)3 B. Z(OH)2< Y(OH)3< XOHC. Y(OH)2< Z(OH)3< XOH D. Z(OH)3< Y(OH)2< XOH

Cu 18:Cho m gam hp cht hu c X c cng thc ph}n t l{ C3H6O2t|c dng ho{n to{n vi 200ml dung dch KOH 0,7M thu c dung dch Y. C cn Y thu c 12,88 gam cht rn khan. Cngthc cu to ca X v{ gi| tr ca m l{:

A. C2H5COOH v 8,88 gam. B. CH3COOCH3 v6,66 gam.C. HCOOCH2CH3 v 8,88 gam. D. C2H5COOH v 6,66 gam.

Cu 19: X l tetrapeptit Ala-Gly-Val-Ala, Y l tripeptit Val-Gly-Val. un nng m (gam) hn hp chaX v{ Y c t l s mol ca X v{ Y tng ng l{ 1:3 vi dung dch NaOH va . Phn ng ho{n to{nthu c dung dch T. C cn cn thn dung dch T thu c 23,745 gam cht rn khan. Gi| tr cam l:

A. 19,455. B. 68,1. C. 17,025. D. 78,4Cu 20:Hn hp X gm hai cht hu c n chc t|c dng vi 500ml dung dch KOH 1M, thuc hai mui ca hai axit hu c v{ mt ancol. Cho lng ancol trn t|c dng vi Na d th c3,36 lt H2(ktc). X gm :

A. Hai este. B. Mt este mt ancol.C. Mt este v{ mt axit. D. Mt axit mt ancol.

Cu 21:t ch|y ho{n to{n mt hn hp X (glucoz, fructoz, metanal v{ etanoic) cn 3,36 lt O 2(iu kin chun). Dn sn phm ch|y qua bnh ng dung dch Ca(OH)2d, sau phn ng ho{nto{n thu c m gam kt ta. Gi| tr ca m l{:

A. 10,0 B. 12,0 C. 15,0 D. 20,5Cu 22:Khi nhit ph}n ho{n to{n 100 gam mi cht sau: KClO 3 (xc tc MnO2), KMnO4, KNO3 v


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Cu 23:C bao nhiu ng ph}n cu to, mch h c cng thc ph}n t C 5H8t|c dng vi H2d(xc t|c thch hp) thu c sn phm isopentan ?

A. 4. B. 2. C. 6. D. 3.

Cu 24: Cho c|c polime sau: t nilon-6,6; poli(vinyl clorua); thy tinh plexiglas; teflon; nhanovolac; t visco, t nitron, cao su buna. Trong , s polime c iu ch bng phn ng trnghp l{:

A. 5 B. 4 C. 6 D. 7Cu 25:Chn c}u ng trong cc cu sau:

A. Ancol a chc ha tan Cu(OH)2to th{nh dung dch m{u xanh.B. Phng ph|p chung iu ch ancol no, n chc bc 1 l{ cho an ken cng nc. C. un nng ancol metylic vi H2SO4c 170oC thu c ete.D. Khi oxi ha ancol no, n chc th thu c anehit.

Cu 26:Nung nng m gam hn hp gm Al v{ CuO trong iu kin khng c khng kh. Cho chtrn sau phn ng v{o dung dch NaOH (d) thu c 672 ml kh H2v{ cht rn X. Ho{ tan ht Xtrong dung dch HNO3lo~ng (d) thy c 448 ml kh NO (c|c phn ng xy ra ho{n to{n v{ c|c th

tch kh o ktc). Gi| tr m l{: A. 2,94 B. 3,48 C. 34,80 D. 29,40

Cu 27:Mt hp cht X c khi lng ph}n t bng 103. Cho 51,50 gam X phn ng ht vi 500 mldung dch NaOH 1,20M, thu c dung dch Y trong c mui ca aminaxit v{ ancol (c khilng ph}n t ln hn khi lng ph}n t O2). C cn Y thu m gam cht rn. Gi| tr m l{:

A. 52,50 B. 24,25 C. 26,25 D. 48,50

Cu 28:Cho Ba kim loi ln lt v{o c|c dung dch sau: NaHCO3, CuSO4, (NH4)2CO3, NaNO3, MgCl2S dung dch to kt ta l{:

A. 5 B. 4 C. 2 D. 3

Cu 29:Cho c|c cht: amoniac (1); anilin (2); p-nitroanilin (3); p-metylanilin (4); metylamin (5);imetylamin (6). Th t tng dn lc baz ca c|c cht l{:

A. (3) < (2) < (4) < (1) < (5) < (6) B. (2) > (3) > (4) > (1) > (5) > (6)C. (3) < (1) < (4) < (2) < (5) < (6) D. (2) < (3) < (4) < (1) < (5) < (6)

Cu 30:Hp th ho{n to{n 4,48 lt CO2(ktc) v{o 200ml dung dch cha Na2CO3 0,5M v NaOH0,75M thu c dung dch X. Cho dung dch BaCl2 d v{o dung dch X thu c kt ta c khilng l{:

A. 29,55 gam. B. 19,7 gam. C. 9,85 gam. D. 39,4 gam.

Cu 31: Cho c|c cht sau: toluen, etilen, xiclopropan, stiren, vinylaxetilen, etanal, imetyl xeton,propilen. S cht l{m mt m{u dung dch KMnO4 nhit thng l{:

A. 4. B. 5. C. 7. D. 6.

Cu 32:Hn hp X gm HCOOH v{ CH3COOH trn theo t l mol 1 : 1. Cho 10,6 gam hn hp X t|cdng vi 11,5 gam C2H5OH (c H2SO4c l{m xc t|c) thu c m gam este (hiu sut phn ngeste ha t 80%). Gi| tr ca m l{:

A. 16,2. B. 14,08. C. 17,6. D. 12,96.

Cu 33:iu n{o sau }y khngng?A. Cht do l nhng vt liu b bin dng di t|c dng ca nhit v p sutm vn gi

nguyn bin dng khi thi t|c dng.B. T visco, t axetat l{ t tng hp.C Nilon-6 6 v{ t capron l{ poliamit


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A. Khi thay i bt k 1 trong 3 yu t: |p sut, nhit hay nng ca mt h c}n bng ho| hcth h s chuyn dch sang mt trng th|i c}n bng mi.B. Trong bnh kn tn ti c}n bng 2NO2(nu) N2O4. Nu ng}m bnh trn v{o nc | thy m{unu trong bnh nht dn. iu chng t chiu nghch ca phn ng l{ chiu thu nhit.C. Trong bnh kn, phn ng 2SO2 O2 2SO3 trng th|i c}n bng. Thm SO2v{o , trng th|i c}n bng mi, ch c SO3l{ c nng cao hn so vi trng th|i c}n bng c.D. Khi thm cht xc t|c, hiu sut phn ng tng hp NH3: N2 + 3H2

NH3s tng.

Cu 35:Cho c|c nhn xt sau:1) Sc Ozon v{o dung dch KI s thu c dung dch c kh nng l{m h tinh bt ho| xanh.2) Hiro peoxit v{ hiro sunfua c th l{m mt m{u dung dch thuc tm trong mi trng H2SO4long.

3) Sc hiro sunfua v{o dung dch FeCl3s thy xut hin vn c m{u v{ng.4) Dung dch H2S l}u trong khng kh s c vn c m{u v{ng.5) Hiro peoxit l{ cht kh mnh v{ khng c tnh oxi ho

C|c nhn xtng l :A. 1, 3, 4. B. 1, 2, 4, 5. C. 1, 2, 3, 4. D. 2, 4, 5.

Cu 36: Cho c|c cht v{ ion sau: Cl-, Na, NH3, HCl, O2-, Fe2+, SO2, Cl2. C|c cht v{ ion ch th hinc tnh kh trong c|c phn ng oxi ha kh l{:

A. Cl-, Na, O2- B. Cl-, Na, O2-, NH3, Fe2+C. Na, O2-, NH3, HCl D. Na, O2-, HCl, NH3, Fe2+

Cu 37:t ch|y 3,2 gam mt este E n chc, mch h c 3,584 lt CO2 (ktc) v{ 2,304 gamH2O. Nu cho 15 gam E t|c dng vi 200 ml dung dch NaOH 1M, c cn dung dch sau phn ng thuc 14,3 gam cht rn khan. Vy cng thc ca ancol to nn este trn c th l{:

A. CH2=CH-OH B. CH3OH C. CH3CH2OH D. CH2=CH-CH2OH

Cu 38: S nguyn t m nguyn t ca n ( trng thi c bn) c tng s electron trn cc phnlp s bng 7 l:

A. 9. B. 3. C. 5. D. 1.

Cu 39:Cho c|c cht sau: axetilen, axit fomic, fomanehit, phenyl fomat, glucz, anehit axetic,metyl axetat, mantz, natri fomat, axeton. S cht c th tham gia phn ng tr|ng gng l{:

A. 6 B. 7 C. 8 D.5

Cu 40:Cho c|c cht: FeCO3, Fe(NO3)2, Fe2(SO4)3, FeSO4, FeS, FeS2, CuS. S lng cht c th c khtho|t ra khi cho v{o dung dch HCl v{ un nng nh l{:

A. 7. B. 4. C. 5. D. 6.

II. PHN RING [10 cu]Th sinh ch c lm mt trong hai phn (Phn A hoc B)A. Theo chng trnh Chun (10 cu, t cu 41 n cu 50)

Cu 41: Chia 38,1 gam FeCl2th{nh 2 phn, phn 2 c khi lng gp 3 ln phn 1. em phn 1phn ng ht vi dung dch KMnO4d, trong mi trng H2SO4lo~ng, d, thu ly kh tho|t ra. emto{n b kh n{y phn ng ht vi phn 2, c cn dung dch sau phn ng thu c m gam cht rn.Gi| tr ca m l{?

A. 29,640. B. 28,575. C. 24,375. D. 33,900.

Cu 42:Ph|t biu n{o sau }y l{ ng ?A. Ph}n t c|c amino axit ch c 1 nhm amino.B. Trong peptit mchh to ra t n ph}n t H2NRCOOH, s lin kt peptit l{ (n1)


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Cu 43:C c|c dung dch ring r sau: AlCl3, NaCl, MgCl2, H2SO4. Ch dng thm mt dung dch n{osau }y nhn bit c 4 dung dch trn?

A. NaOH. B. qu tm. C. AgNO3. D. BaCl2.Cu 44: Cho 35,48 gam hn hp X gm Cu v{ FeCO3 v{o dung dch HNO3 lo~ng, un nng v{khuyu. Sau khi c|c phn ng xy ra ho{n to{n thu c NO; 0,03 mol kh CO2; dung dch Y v{21,44 gam kim loi. C cn dung dch Y thu c khi lng cht rn khan l{:

A. 38,82 g B. 36,24 g C. 36,42 g D. 38,28 g

Cu 45:Khi ph}n tch th{nh phn mt ancol n chc X th thu c kt qu: tng khi lng cacacbon v{ hiro gp 3,625 ln khi lng oxi. S ng ph}n ancol ng vi cng thc ph}n t ca Xl:

A. 1 B. 2 C. 3 D. 4

Cu 46:Ha tan ho{n to{n 80 gam hn hp X gm CuSO4, FeSO4 v Fe2(SO4)3trong S chim 22,5% vkhi lng trong nc c dung dch X. Thm NaOH d v{o X, lc kt ta em nung trong khng khn khi lng khng i thu c cht rn Y, thi CO d qua Y thu c hn hp rn Z. Bit c|c phnng xy ra ho{n to{n. Khi lng ca Z l{:

A. 30 gam B. 40 gam C. 26 gam D. 36 gamCu 47:Cho m gam hn hp X gm hai ancol no, n chc, k tip nhau trong d~y ng ng t|cdng vi CuO (d) nung nng, thu c mt hn hp rn Z v{ mt hn hp hi Y (c t khi hi sovi H2l{ 13,75). Cho to{n b Y phn ng vi mt lng d AgNO 3trong dung dch NH3un nngsinh ra 64,8 gam Ag. (C|c phn ng u xy ra ho{n to{n). Gi| tr ca m l{:

A. 7,4 B. 8,8 C. 9,2 D. 7,8

Cu 48:Cho d~y c|c cht: C2H2, HCHO, HCOOH, CH3CHO, (CH3)2CO, C12H22O11(mantoz). S chttrong d~y tham gia c phn ng tr|ng gng l{:A. 6 B. 4 C. 5 D. 3

Cu 49: hirat ha 2-metylbutan-2-ol thu c sn phm chnh l{ anken n{o sau }y? A. 3-metyl but-1-en B. Pent-1-en C. 2-metyl but-1-en D. 2-metyl but-2-en

Cu 50:Nung hn hp SO2, O2c s mol bng nhau trong mt bnh kn c th tch khng i vicht xc t|c thch hp. Sau mt thi gian, a bnh v nht ban u thy |p sut trong bnhgim10% so vi |p sut ban u. Hiu sut ca phn ng ~ xy ra bng:

A. 40% B. 50% C. 20% D. 75%B. Theo chng trnh Nng cao (t cu 51 n cu 60)

Cu 51:Khi nung butan vi xc t|c thch hp thu c hn hp T gm CH 4, C3H6, C2H4, C2H6, C4H8,H2 v C4H10d. t ch|y ho{n to{n hn hp T thu c 8,96 lt CO2(o ktc) v{ 9,0 gam H2O. Mt

kh|c, hn hp T l{m mt m{u va ht 12 gam Br2trong dung dch nc brom. Hiu sut phn ngnung butan l:

A. 75%. B. 65%. C. 50%. D. 45%.

Cu 52:A l{ hp cht hu c mch vng cha C, H, N trong N chim 15,054% theo khi lng. At|c dng vi HCl to ra mui c dng RNH3Cl. Cho 9,3g A t|c dng ht vi nc brom d thu c ag kt ta. Gi| tr ca a l{:

A. 30 gam B. 33 gam C. 44 gam D. 36 gam

Cu 53:Cho 0,2 mol mt anehit n chc, mch h X phn ng va vi 300 ml dung dch chaAgNO3 2M trong NH3. Sau khi phn ng xy ra ho{n to{n thu c 87,2 g kt ta. Cng thc ph}n tca anehit l{:

A. C4H5CHO B. C3H5CHO C. C4H3CHO D. C3H3CHO.


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Cu 54: Tro n 10,8g bo t Al v i 34,8g bo t Fe3O4 ro i tien hanh phan ng nhiet nho m trong ieu kienkhong co khong kh. Hoa tan hoan toan ho n h p ran sau phan ng bang dung dich H2SO4 loang (d)thu c 10,752 lt kh H2 (ktc). Hieu suat cu a phan ng nhiet nho m la :

A. 70% B. 90% C. 80% D. 60%

Cu 55:Th nh 6,85 gam Ba (c ct nh) v{o 20 gam dung dch H 2SO49,80%. Sau khi kt thcphn ng thu c dung dch X. Nng cht tan c trong dung dch X l{:

A. 23,22% B. 23,12% C. 22,16% D. 31,96%Cu 56:Cho dung dch NH3d v{o dung dch X cha hn hp MgCl2, ZnCl2, FeCl3, FeCl2thu ckt ta Y. Nung kt ta Y trong khng kh ta c cht rn Z. Cho lung kh CO d i qua A nungnng (c|c phn ng xy ra ho{n to{n) thu c cht rn T. Trong T c cha:

A. Fe2O3, MgO, ZnO B. Fe, Mg, Zn C. Fe, MgO D. Fe, MgO, ZnO

Cu 57:Cho c|c cht sau: phenol, kh sunfur, toluen, ancol benzylic, isopren, axit metacrylic, vinylaxetat, phenyl amin, axit benzoic. S cht phn ng c vi dung dch nc brom nhit thng l{:

A. 6. B. 5. C. 4. D. 3.

Cu 58:Trong phng th nghim, kh hiro halogenua c iu ch t phn ng:NaXrn + H2SO4 c HX + NaHSO4

Phng ph|p trn c dng iu ch hiro halogenua n{o?A. HBr B. HCl C. HCl v HBr D. HI

Cu 59:Cho c|c cht: ancol etylic, glixerol, glucoz, imetyl ete v{axit fomic. S cht t|c dng cvi Cu(OH)2 l:

A. 4 B. 1 C. 3 D. 2

Cu 60:X v{ Y ln lt l{ c|c tripeptit v{ hexapeptit c to th{nh t cng mt amoni axit no

mch h, c mt nhm COOH v{ mt nhm NH2. t ch|y ho{n to{n 0,1 mol X bng O2va thu c sn phm gm CO2, H2O v N2c tng khi lng l{ 40,5 gam. Nu cho 0,15 mol Y t|cdng ho{n to{n vi NaOH (ly d 20% so vi lng cn thit), sau phn ng c cn dung dch ththu c bao nhiu gam cht rn?

A. 87,3 gam B. 9,99 gam C. 107,1 gam D. 94,5 gam

---HT---

0t


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s 2: THPT Nguyn Tt Thnh H Ni ln 2-2012

I. PHN CHUNG CHO TT C CC TH SINH (40 cu, tcu 1 n cu 40)Cu 1:Cho c|c s phn ng:[C6H7O2(OH)3]n n(CH3CO)2O SanphamX(1) .

p xilen KMnO4 H2SO4t0

Y etilenglicolxt Z (2)X,Y, Z l cc cht hu c. Cho bit nhn xt n{o sau }y ng:

A.X l mt loi cao su, Z l{ t b|n tng hp B.X l{ t tng hp, Z l{ t nh}n toC.X l{ t b|n tng hp, Z l{ t tng hp D.X l{ t thin nhin, Z l{ t b|n tng hp

Cu 2: Cho cc nhn nh sau:(1)Nha novolac, nha rezol u c cu trc phn nhnh, nha rezit c cu trc khng gian(2)Amilopectin gm cc gc -glucoz lin kt vi nhau bi lin kt-1,4-glicozit v -1,6-glicozit(3)Qung boxit l nguyn liu iu ch Mg trong cng nghip(4)Tt c cc kim loi kim, Ba v Ca c cu trc mng tinh th lp phng t}m khi(5) I2, nc |, phot pho trng v{ kim cng u c cu trc tinh th phn t

(6) Anlylaxetat, o-crezol, phenyl clorua, anlyl clorua u tc dng vi dung dch NaOH long, nngS nhn xt ng l{:

A.2 B.4 C.6 D.1Cu 3: Cho cc cht tc dng vi nhau tng i mt, trong iu kin thch hp:(1) Mg CO2 (3) Mg SO2 (5) Mg +Si (7) Si NaOH H2O(2) F2 H2O (4) CuS + HCl (6) BaCl2 NaHSO4 (loang) (8)NaHSO4 NaHCO3S cp xy ra phn ng l

A.8 B.3 C.7 D.4Cu 4:Thc hin cc th nghim sau:

(1)Sc H2Sd v{o dung dch Pb(NO3)2 (6)Sc H2Sd v{o dung dch KMnO4H2SO4(2)Sc NH3d v{o dung dch AlCl3 (7) Cho NaF d v{o dung dch AgNO3(3) Sc CO2d v{o dung dch Ca(OH)2 (8) Cho SO3d v{o dung dch BaCl2(4)Cho Na[Al(OH)4] d v{o dung dch HCl (9) Sc Cl2d v{o dung dch Na2CO3(5) Sc CO2d v{o dung dch natriphenolat (10) Cho Fe(NO3)2d v{o dung dch AgNO3S th nghim c kt ta sau phn ng l:

A.9 B.7 C.6 D.5Cu 5:Cho s phn ng:

Glyxin NaOH Muoi (X1)HCl Muoi (X2) X2 c cng thc cu to l

A.ClH3NCH(CH3)COOH B.ClH2NCH2COOHC.ClH3NCH2COOH D.H2NCH(CH3)COOHCu 6: Cho dy cc cng thc phn t sau: C4H10O C4H9Cl C4H11N C4H8 Cht c s lng ngphn ln nht l

A.C4H10O B.C4H9Cl C. C4H11N D.C4H8Cu 7: Este X, mch h c cng thc phn tC3H4O2. Khi thy phn ho{n to{n X trong mi trngkim thu c mt mui v etanal. X c tn l

A.Vinyl axetat B.Vinyl fomat C.Metyl acrylat D. Etyl fomatCu 8:S tripeptit ti a to ra t hn hp gm alanin v glyxin l

A.9 B.6 C.8 D.12Cu 9: Ha tan hon ton m gam hn hp gm Na v Al (vi t l smol 2:1) v{o nc d c

dung dch X


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Gi tr ca m lA. 8,76 B.9,24 C.12,60 D.7,92

Cu 10: Cho 8,4 gam Fe vo dung dch HNO3 long. Sau khi phn ng xy ra ho{n to{n thu c2,688 lt NO (sn phm kh duy nht, ktc) v{ dung dch X. Khi lng Fe(NO3)3 trong dung dchX l :

A. 14,52 gam B. 36,3 gam C. 16,2 gam D. 30,72 gamCu 11:in phn vi in cc tr dung dch cha 0,2 mol AgNO3 vi cng dng in 2,68 A,trong thi gian t githu c dung dch X (hiu sut qu| trnh in phn l 100%). Cho 16,8 gambt Fe vo X thy thot ra kh NO (sn phm kh duy nht) v sau cc phn ng ho{n to{n thu c22,7 gam cht rn. Gi tr ca t l

A. 0,50 B. 1,00 C. 0,25 D. 1,20Cu 12: Cho dy cc cht: Phenyl axetat, anlyl axetat, etyl axetat, etyl fomat, trilinolein, axitaxetylsalixylic, imetyl terephtalat, Phenyl clorua, vinyl clorua, benzyl bromua. Scht trong dykhi un nng vi dung dch NaOH lo~ng (d) sinh ra ancol l{

A. 3 B. 4 C. 6 D. 5Cu 13: Hp cht A c cng thc phn tCH8O3N2

Cho A tc dng vi dung dch HCl, un nng. Sau

phn ng thu c cht kh Y v cc cht v c. Y c khi lng (tnh theo vC) c gi| tr lA. 44 B. 31 C. 45 D.46

Cu 14:in phn dung dch cha m gam hn hp 2 mui CuSO4 v NaCl bng in cc tr, cm{ng ngn n khi nc bin phn c2 in cc th ngng in phn. Dung dch sau in phnhon tan va 1,16 gam Fe3O4 v anot ca bnh in ph}n c 448 ml kh bay ra (ktc). Kh ilng dung dch gim sau khi in phn l:

A. 8,60 B. 2,95 C. 7,10 D. 1,03Cu 15: Chia 156,8 gam hn hp A gm FeO Fe3O4 Fe2O3 thnh hai phn bng nhau. Cho phn thnht tc dng ht vi dung dch HCl d c 155,4 gam mui khan. Phn th hai tc dng va

vi dung dch B l hn hp HCl H2SO4lo~ng thu c 167,9 gam mui khan. S mol ca HCl trongdung dch B l

A. 1,75 mol B. 1,50 mol C. 1,80 mol D. 1,00 molCu 16. Khi thy phn mt octapetit X mch h, c cng thc cu to l Gly-Phe-Tyr-Lys-Gly-Phe-Tyr-Ala th thu c bao nhiu tripeptit c cha Gly?

A.4 B.3 C.5 D.6Cu 17:t chy ht m gam hn hp amin X gm hai amin no, n chc, mch hthu c a gamnc v V litCO2(ktc). Mi lin h gia m, a, V l

A. m 17a27

5V42

B. m 7a27

5V42

C. m 17a27

V42

D. m 17a27

5V32

Cu 18: Cht hu c X c phn ng: X + NaOH d 2 mui ca 2 axit hu c + CH3CHO. Cng thccu to ca X c th l

A.CH2 CHOOCC6H5COOCH CH2 B.CH2 CHCOOC6H4COOCH3C.CH2 CHOOCC6H4OOCCH3 D.CH2 CHCOOC6H5COOCH CH2

Cu 19: Mt loi cht bo l trieste ca axit panmitic v{ glixerol. un nng 4,03 kg cht bo trn vilng dung dch NaOH d. Khi lng x phng 72% ca mui natripanmitat thu c l

A. 4,17 B. 5,85 C. 6,79 D. 5,79Cu 20: Amin R c cng thc phn t l C7H9N. Sng ph}n amin thm ca R l

A. 4 B.5 C.6 D.3Cu 21: Thy phn ht 1 lng pentapeptit trong mi trng axit thu c 32,88 gam AlaGlyAlaGly; 10,85 gam AlaGlyAla; 16,24 gam AlaGlyGly; 26,28 gam AlaGly; 8,9 gam Alanin cn li


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Cu 22: Cho cc phn ng di }y(1) Tinh bt + H2O (H t0) (7) Poli(metyl acrylat) + NaOH (un nng) (2) Policaproamit H2O (H t0) (8) Nilon-6 + H2O (H t0) (3) Polienantamit H2O (t0xuctacH) (9) Amilopectin H2O (t xuctacH)(4) Poliacrilonitrin + Cl2 (as) (10) Cao su thin nhin () (5) Poliisopren + nS (11) Rezol (un nng ) (6) Cao su buna-N () (12)Poli(hexametylen-aipamit) ( )S phn ng thuc loi ct mch polime l:

A.9 B.6 C.7 D.8Cu 23:A l cht hu c c cng thc phn t. A tc dng vi NaOH thu c cht kh Xlm xanh giy qu tm m, X nhhn khng kh v{ phn dung dch c cha mui Y, Y c khnnglm mt m{u nc brom. Cng thc ca Y l

A. HCOONa C. ()B. D.

Cu 24:t ch|y ho{n to{n 1,48 gam este A thu c 2,64 gam v 1,08 gam . Cng thcphn t ca A l:

A. B. C. D.Cu 25: X v Y l hai hp cht hu c ng phn ca nhau cng c cng thc phn t. Thy ph}n ho{n to{n X trong NaOH d thu c hn hp cc sn phm trong c 2mui v 1 ancol. Thy ph}n ho{n to{n Y trong KOH d thu c hn hp cc sn phm trong c1 mui v{ 1 anehit. X v{ Y ln lt c cng thc cu to l:

A. B. C. D.

Cu 26: Pht biu sau }y khng ng l{A. Polime l hp cht c phn t khi rt ln do nhiu n v nh (gi l mt xch) lin kt vinhau to nn.B. H s n gi l h spolime ha hay polime haC. Policaproamit l sn phm ca qu trnh trng hp caprolactamD. Poli(hexametylen-aipamit) l{ polime trng hp

Cu 27:Khi tin h{nh ng trng hp buta-1,3-ien v{ acrilonitrin thu c mt loi polime cha8,69% nit v khi lng. T l s mt xch buta-1,3-ien v{ acrilonitrin trong polime trn l{

A.3:1 B. 1:2 C.2:1 D.1:1Cu 28:Cho cc cht sau : S cp dung dch c th phn ng vi nhau l

A.4 B.5 C.6 D.3Cu 29: C bn ng nghim ng cc hn hp sau: 1) Benzen + phenol; 2) Anilin + dung d ch (ly d); 3) Anilin +dung dch NaOH; 4) Anilin + nc.Hy cho bit trong ng nghim no c s tch lp

A. 1, 2, 3. B. 1, 4. C. 3, 4. D. Ch c 4.Cu 30: Hp cht X khng no mch h c cng thc phn t, khi tham gia phn ng xphng ho| thu c mt anehit v{ mt mui ca axit hu c. C bao nhiu cng thc cu to phhp vi X (khng kng phn hnh hc)

A.4 B.3 C.2 D.5Cu 31:Khi trng ngng 13,1 gam axit -amino caproic vi hiu sut 80%, ngoi amino axit d


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Cu 32: Cho 0,15 mol hn hp X gm axit glutamic v lysin vo 200 ml dung d ch HCl 1M, cdung dch Y, Y phn ng va vi 400 ml dung dch NaOH 1M. S mol axit glutamic c trong 0,15mol hn hp l

A. 0,100 B. 0,075 C. 0,050 D. 0,125Cu 33: Cho cc dung dch sau: () () phn bit cc dungdch trn, dng thuc th no trong s cc thuc th sau th s cn tin hnh t th nghim nht

A.

B. KOH C. qu tm D

()

Cu 34: Cho dy cc cht sau: () S cht trongdy to thnh kt ta khi phn ng vi dung dch l:

A.4 B.3 C.2 D.5Cu 35:Hp cht A c cng thc phn t. Cho 0,1 mol A tc dng va vi dungdch c cha 0,3 mol NaOH, thu c dung dch hn hp trong c hai cht hu c gm ancoletylic v cht hu c X, c cn dung dch sau phn ng thu c m gam cht rn khan. Gi tr ca ml:

A. 9,6 gam B. 11,3 gam C. 23,1 gam D. 21,3 gamCu 36: Ln men 10 gam tinh bt iu ch ancol etylic vi hiu sut mi qu trnh l 90% thu

c x mol CO2. Mt khc ln men 45 gam tinh bt cng loi iu ch ancol etylic vi hiu sutmi qu| trnh l{ 90% thu c y mol CO2. Nu dn x mol CO2 vo V ml dung dch Ba(OH)2 1M thuc 2a gam kt ta, cn khi dn y mol CO2 vo V ml dung dch Ba(OH)2 1M ni trn li thu c 3agam kt ta. Gi tr ca V l

A.300 B.50 C.100 D.200Cu 37: Ha tan ht 2,32 gam trong 0,1 mol thu c kh Z (sn phm kh duynht). Z c cng thc l

A. B. C. D. NOCu 38: Nhn nh n{o sau }y ng

A.Bn knh ca anion ln hn b|n knh ca cation B.Phn nhm c tc dng l{m trong nc v to ra kt ta ()C.Dung dch c mi trng axitD.Tt c cc kim loi nhm IIA u tc dng vi nc iu kin thng

Cu 39: Cho cc cht sau: phenol, xenluloz, glixerol, glucoz, saccaroz, mantoz, fructoz,benzanehit, anehit oxalic, anehit acrylic, propanal, dung dch fomon, axit fomic, etyl fomat, natrifomat, ivinyl oxalat, axetilen, vinylaxetilen. S cht khng tham gia phn ng tr|ng gng l{

A.7 B.4 C.5 D.6Cu 40: Bn knh nguyn t gn ng ca nguyn t R 2000oC l 1,965.10-8 cm bit ti nhit

khi lng ring ca R bng 1,55 g/cm3. Gi thit trong tinh th cc nguyn t R c hnh cu, cc kht l 74%. R l nguyn t.

A. Mg B. Cu C.Al D.CaII. PHN RING (10 cu)Th sinh c chn mt trong hai phn (phn A hoc B)A.Theo chng trnh chun (10 cu, tcu 41 n cu 50)Cu 41: Cho mt s tnh cht: Cht rn kt tinh, khng mu (1); tan tt trong nc (2);tc dng vi()trong NaOH un nng cho kt ta gch (3); khng c tnh kh (4); b thy ph}n ncng cho ra 2monosaccarit (5); lm mt mu dung dch nc brom (6). Cc tnh cht ca saccaroz

lA.(1), (3), (4) v (5) B. (1), (4), (5) v (6)C (1) (2) (4) v (5) D (1) (3) (4) v (6)


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, , () () S cht trong dy khng tcdng vi dung dch HCl l

A.4 B.3 C. 6 D. 5Cu 43: Cho hn hp X gm 2 kim loi Al v Ba. Tin hnh 2 th nghimTh nghim 1: Cho m gam X v{o nc d thu c 1,344 lit (ktc)Th nghim 2: Cho 2m gam X vo dung dch ()d thu c 20,832 lit (ktc)Gi tr ca m l

A. 9,155 B. 11,850 g C. 2,055 g D. 10,155 gCu 44: Sc V lt(ktc) v{o 200 ml dung dch () . Sau phn ng thu c 15 gam ktta. Lc b kt ta, cho thm vi git NaOH vo dung dch li thy xut hin kt ta. Gi tr ca V l

A.6,72 B.2,24 C.5,60 D.3,36Cu 45: Pht biu n{o sau }y ng

A.Qung apatit l nguyn liu iu ch photpho trong cng nghipB.Toluen l nguyn liu sn xut axit axeticC.Qung olomit l{ nguyn liu sn xut nhmD.Qung boxit l nguyn liu iu ch canxi

Cu 46: Dy gm cc cht c thiu ch trc tip c axit axetic l:A. B.C. D.

Cu 47: Cho lung kh H2 (d) qua hn hp cc oxit nung nhit cao. Sau phn ng hn hp rn cn li l:

A. . B..C. D.

Cu 48: Thc hin cc th nghim sau:(1) Nung rn. (5) un nng NaCl tinh th vi dung dch (c).(2) Cho vo dung dch HCl c. (6) Sc kh vo dung dch () (d).(3) Sc kh SO2 vo dung dch . (7) Cho dung dch vo dung dch .(4) Cho CuS vo dung dch HCl (long). (8) Cho vo dung dch ().S th nghim sinh ra cht kh l

A. 4. B. 5. C. 2. D. 6.Cu 49: Cho mt lung kh CO i qua ng s nung nng cha m gam 3 oxit vi smol bng nhau. CO phn ng ht. Cn li cht rn c khi lng 19,20 gam gm cho tc dng vi dung dch ung nng, d c 2,24 lt kh NO duy nht (ktc). S mol~ tham gia phn ng lA. 4,69 mol B. 0,64 mol C. 3,16 mol D. 0,91 mol

Cu 50: Ha tan hon ton 80 gam hn hp X gm () trong S chim22,5% v khi lng trong nc c dung dch X. Thm NaOH d v{o X, lc kt ta em nungtrong khng kh n khi lng khng i thu c cht rn Y, thi CO d qua Y thu c hn hprn Z. Bit cc phn ng xy ra hon ton. Khi lng ca Z l

A. 30 gam B. 40 gam C. 26 gam D. 36 gamB.Theo chng trnh nng cao (10 cu, tcu 51 n cu 60)Cu 51: Cho cc dung dch: glucoz, glixerol, etanol, lng trng trng. Thuc th c thdng phn bit l

A.dd NaOH B. dd C.() D.dd Cu 52: Hp cht hu c Z c cng thc phn t l. Sng phn amin bc I ca Z l

A 7 B 8 C 6 D 5


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dung dch thu c dung dch Z. Lng KCl trong Z nhiu gp 22/3 ln lng KCl trongX. Phn trm khi lng trong X l

A. 47,62% B. 58,55% C. 81,37%. D. 23,51%.Cu 54: Cho bt Fe vo dung dch v . n phn ng ho{n thu c dung dch A, hnhp kh X gm NO v c v cht rn khng tan. Bit dung dch A khng cha mui amoni. Trongdung dch A cha cc mui:

A

() . B.

() .

C. . D. () .Cu 55: Cho bit thin cc chun ca cc cp oxi ho kh: ln lt l 0,00V; -0,76V; +0,34V; +0,80V. Sut in ng ca pin in ho| n{o sau }y ln nht?

A. B. .C. . D.

Cu 56: Hn hp bt X gm () () Nung X trong khng kh nkhi lng khng i c hn hp rn A1. Cho A1v{o nc d khuy u c dung dch B cha2 cht tan v phn khng tan C1. Cho kh CO d qua bnh cha C1nung nng c hn hp rn E(Cho cc phn ng xy ra hon ton). E cha ti a:

A.1 n cht v 2 hp cht. B.3 n cht.C.2 n cht v 2 hp cht. D.2 n cht v 1 hp cht.

Cu 57: Ho tan hon ton hn hp gm 0,05 mol FeS2 v a mol FeS vo axit HNO3 (va ), thuc dung dch X (ch cha mt mui sunfat) v V lt kh NO sn phm kh duy nht ( ktc). Gi| trca V l

A. 4,48 B. 8,96 C. 11,2. D. 17,92.Cu 58:Axeton khng tc dng vi cht no trong s cc cht sau

A. trong C. xc tc Ni, B.HCN trong nc D.trong nc

Cu 59: Cho c|c polime sau: t nilon-6,6; poli(vinyl ancol); t capron; teflon; nha novolac; tlapsan, t nitron, cao su buna-S. Trong s polime trng hp l:

A. 3 B. 5 C. 6 D. 4Cu 60: Cho cc kim loi v ion sau: ( )Nguyn t v ion c cng selectron c thn l:

A. Cr v Mn B. C. D.

---HT---


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s 3: thi HSG Thi Bnh 2009-2010

Cu 1:D~y gm c|c cht u c kh nng l{m i m{u dung dch qu tm l{A. CH3NH2, C2H5NH2, HCOOH B. C6H5NH2, C2H5NH2, HCOOHC. CH3NH2, C2H5NH2, H2N-CH2-COOH D. CH3NH2, C6H5OH, HCOOH

Cu 2:Thu ph}n ho{n to{n 34,2 gam saccaroz. Ly to{n b sn phm X ca phn ng thu ph}n

cho t|c dng vi lng d AgNO3/NH3thu c a gam kt ta. Cn nu cho to{n b sn phm X t|cdng vi dung dch nc brom d th c b gam brom phn ng.Gi| tr ca a, b ln lt l{A. 43,2 v 32 B. 43,2 v 16 C. 21,6 v 16 D. 21,6 v 32

Cu 3:Cho dung dch NaOH d v{o 100 ml dung dch cha ng thi Ba(HCO3)2 0,5 M v BaCl2 0,4M th thu c bao nhiu gam kt ta?

A. 19,7 gam B. 29,55 gam C. 23,64 gam D. 17,73 gamCu 4:Cho 18,3 gam hn hp X gm Na v{ Ba v{o nc thu c dung dch Y v{ 4,48 lt H2(ktc)X|c nh th tch CO2(ktc) cho v{o dung dch Y thu c kt ta cc i?

A.1,12 lt V 6,72 lt B.2,24 lt V 6,72 ltC.2,24 lt V 4,48 lt D.4,48 lt V 6,72 lt

Cu 5:Thu ph}n c|c cht sau trong mi trng kim: CH3CHCl2(1), CH3COOCH=CH-CH3(2),CH3COOC(CH3)=CH2(3), CH3CH2CCl3(4), CH3COO-CH2-OOCCH3(5), HCOOC2H5 (6). Nhm c|c chtsau khi thu ph}n c sn phmtham gia phn ng tr|ng gng l{

A. (1),(4),(5),(6) B. (1),(2),(5),(3) C. (1),(2),(5),(6) D.(1),(2),(3), (6)Cu 6:Cho dung dch NH3d v{o dung dch X gm AlCl3, ZnCl2 v FeCl3thu c kt ta Y. Nung ktta Y thu c cht rn Z. Cho lung kh H2d qua Z (un nng) thu c cht rn T. C|c phn ngxy ra ho{n to{n.Trong T c cha

A. Al2O3, Zn B. Al2O3, Fe C. Fe D. Al2O3, ZnO, FeCu 7:Hai cht n{o di }y khi tham gia phn ng trng ngng to t nilon -6,6?

A.Axit glutamic v{ hexametyleniamin B.Axit aipic v{ hexametyleniaminC.Axit picric v{ hexametyleniamin D.Axit aipic v{ etilen glycol

Cu 8: Ho tan hon ton 0,1 mol FeS2trong dung dch HNO3c nng. Tnh th tch kh NO2 bay ra(ktc) v{ s mol HNO3(ti thiu) phn ng (bit rng lu hunh trong FeS2b oxi ho| ln s oxi ho| caonht)

A. 33,6 lt v 1,4 mol B. 33,6 lt v 1,5 mol C. 22,4 lt v 1,5 mol D. 33,6 lt v 1,8 molCu 9.Trong 2 lt dung dch HF c cha 4 gam HF nguyn cht c in li ( = 8%). pH ca dung dchHF l

A. 1,34 B. 2,50 C. 2,097 D. 1

Cu 10: un nng m gam hn hp X gm C2H2, C2H4 v H2vi xc t|c Ni n phn ng xy ra ho{nto{n, thu c 8,96 lt (ktc) hn hp Y (c t khi so vi hir bng 8). t ch|y ho{n to{n cng lnghn hp X trn, ri cho sn phm ch|y hp th ho{n to{n trong dung dch nc vi trong d th khilng kt ta thu c l{

A. 20 gam B. 40 gam C. 30 gam D. 50 gamCu 11:un nng glixerol vi hn hp hai axit bo n chc c mt H 2SO4c xc t|c thu c tia bao nhiu cht bo?

A. 8 B. 4 C. 10 D. 6

Cu 12:Cho phng trnh ion rt gn: aZn + b + c d + eNH3 + gH2OTng c|c h s (c|c s nguyn ti gin) ca c|c cht tham gia phn ng (a+b+c) l{

A.12 B.9 C.11 D.10


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C. C4H10O, C4H9Cl, C4H10,C4H11N. D. C4H10O, C4H11N, C4H10, C4H9ClCu 14:Cho nhng nhn xt sau :1- iu ch kh H2S ngi ta cho mui sunfua t|c dng vi c|c dung dch axit mnh nh HCl, HNO3, H2SO4(c)2- Dung dch HCl c, S, SO2, FeO va c kh nng th hin tnh kh va c kh nng th hin tnh oxiho.3- V hp bo qun thc phm l{m bng st t}y (st tr|ng thic) b x}y s|t ti lp st bntrong, khi ngo{i khng kh m th thic b n mn trc.4- Hn hp BaO v{ Al2O3c th tan ho{n to{n trong nc.5- Cho dung dch NaOH d v{o dung dch Ca(HCO3)2th thy xut hin kt ta.6- Hn hp bt gm Cu v{ Fe3O4c th tan ho{n to{n trong dung dch H2SO4 long.S nhn xt ng l

A. 3 B. 4 C. 5 D. 6

Cu 15:Mt hp cht hu c X mch h cha (C,H,O) c khi lng ph}n t l{ 60(u). X t|c dngvi Na gii phng H2. S c|c cht tho m~n gi thit trn l{

A. 5 B. 2 C. 3 D. 4Cu 16 :Hn hp X gm mt hirocacbon th kh v{ H2(t khi hi ca X so vi H2bng 4,8). ChoX i qua Ni un nng n phn ng ho{n to{n thu c hn hp Y (t khi hi ca Y so vi CH 4bng 1). Cng thc ph}n t ca hirocacbon l{

A. C2H2 B. C3H6 C. C3H4 D. C2H4

Cu 17:X l{ mt hp cht c cng thc ph}n t C 6H10O5 :

X + 2NaOH 2Y + H2O Y + HCl(long) Z + NaCl

H~y cho bit khi cho 0,1mol Z t|c dng vi Na d thu c bao nhiu mol H2?A. 0,15 mol B. 0,05 mol C. 0,1 mol D. 0,2 mol

Cu 18:Cho c|c cp dung dch sau: (1) Na2CO3 v AlCl3; (2) NaNO3 v FeCl2; (3) HCl v Fe(NO3)2(4) NaHCO3 v BaCl2; (5) NaHCO3 v NaHSO4 .

H~y cho bit cp n{o xy ra phn ng khi trn c|c cht trong c|c cp vi nhau?A. (1), (3), (4) B. (1), (4), (5) C. (1), (3), (5) D. (3), (2), (5)

Cu 19:Cho t t 100 ml dung dch HCl 1,5M v{o 0,4 lt dung dch X gm Na 2CO3 v KHCO3 thuc 1,008 lt CO2(ktc) v{ dung dch Y. Thm dung dch Ba(OH)2d v{o dung dch Y thu c29,55 gam kt ta. Nng mol/lit ca Na2CO3 v KHCO3trong dung dch X ln lt l{

A. 0,0375 v 0,05 B. 0,2625 v 0,225 C. 0,1125 v 0,225 D.0,2625 v 0,1225

Cu 20:Khi cracking V lt butan c hn hp A ch gm c|c anken v{ ankan. T khi hi ca hn

hp A so vi H2bng 21,75. Hiu sut ca phn ng crckinh butan l{ bao nhiu?A. 33,33% B. 50.33% C. 46,67% D. 66,67%

Cu 21:Cho s sau:

X (C4H9O2N) X1 X2 X3 H2N-CH2COOK

Vy X2 l:A. H2N-CH2-COOH B. ClH3N-CH2COOH C. H2N-CH2-COONa D. H2N-CH2-COOC2H5

Cu 22:Cho a gam mt axit n chc phn ng va vn vi gam Na. Axit l{

A. C2H5COOH B. C2H3COOH C. HCOOH D. CH3COOH

Cu 23:Nhng thanh Mg v{o dung dch cha 0,1 mol mui sunphat ca mt kim loi M, sau phn ngho{n to{n ly thanh Mg ra thy khi lng thanh Mg tng 4 0 gam C bao nhiu mui tho m~n?

0t C

a

2


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Cu 24: X v{ Y ln lt l{ c|c tripeptit v{ tetrapeptit c to th{nh t cng mt amino axit no mch h,c mtnhm -COOH v{ mt nhm -NH2. t ch|y ho{n to{n 0,1 mol Y thu c sn phm gm CO2, H2ON2, trong tng khi lng ca CO2 v H2O l{ 47,8 gam. Nu t ch|y ho{n to{n 0,3 mol X cn bao nhiumol O2?

A. 2,8 mol B. 2,025 mol C. 3,375 mol D. 1,875 molCu 25:Nguyn t nguyn t X c ph}n lp e lp ngo{i cng l{ 3p. Nguyn t ca nguyn t Y cph}n lp e lp ngo{i cng l{ 3s. Tng s e hai ph}n lp ngo{i cng ca X v{ Y l{ 7. Bit rng X v{ Yd phn ng vi nhau. S hiu nguyn t ca X v{ Y ln lt l{

A. 18 v 11 B. 13 v 15 C. 12 v 16 D. 17 v 12Cu 26:Cho c|c dung dch c cng nng mol/l: NaHCO3(1); Na2CO3(2); NaCl(3); NaOH(4). pHca dung dch tng theo th t l{

A. (1), (2), (3), (4) B. (3), (2), (4), (1) C. (2), (3), (4), (1) D. (3), (1), (2), (4)

Cu 27:Cho 0,15 mol este X mch h v{o 150 gam dung dch NaOH 8%, un nng phn ngthu ph}n este xy ra ho{n to{n thu c 165 gam dung dch Y. C cn dung dch Y thu c 22,2gam cht rn khan. H~y cho bit X c bao nhiu cng thc cu to tho m~n?

A. 3 B. 4 C. 1 D. 2Cu 28:Hn hp X gm Zn, Fe, Cu. Cho 18,5 gam hn hp X t|c dng vi dung dch HCl d thu c4,48 lit H2(ktc). Mt kh|c cho 0,15 mol hn hp X phn ng va vi 3,92 lt kh Cl 2 (ktc). Smol Fe c trong 18,5 gam hn hp X l{

A. 0,12 mol B. 0,15 mol C. 0,1 mol D. 0,08 mol

Cu 29:Nguyn t khi trung bnh ca Clo bng 35,5. Clo c hai ng v v . Phn trm

khi lng ca c trong axit pecloric l{ gi| tr n{o sau }y? (cho H=1; O=16)A. 30,12% B. 26,92% C. 27,2% D. 26,12%

Cu 30:Cho c|c s phn ng sau

- X1 + X2 X4 + H2- X3 + X4 CaCO3 + NaOH- X3 + X5 + X2 Fe(OH)3 + NaCl + CO2C|c cht thch hp vi X3, X4, X5ln lt l{

A. Ca(OH)2, NaHCO3, FeCl3 B. Na2CO3, Ca(OH)2, FeCl2C. Na2CO3, Ca(OH)2, FeCl3 D. Ca(OH)2, NaHCO3, FeCl2

Cu 31:Ho{ tan ht hn hp rn gm CaC2, Al4C3 v Ca vo H2O thu c 3,36 lt hn hp kh X c tkhi so vi hiro bng 10. Dn X qua Ni un nng thu c hn hp kh Y. Tip tc cho Y qua bnhng nc brom d th c 0,784 lt hn hp kh Z (t khi hi so vi He bng 6,5). C|c kh o iu

kin tiu chun. Khi lng bnh brom tng l{A. 2,09 gam B. 3,45gam C. 3,91 gam D. 1,35 gam

Cu 32:Hp cht hu c X c cng thc ph}n t C4H6O2Cl2 khi thu ph}n ho{n to{n trong mitrng kim un nng thu c c|c sn phm ch gm hai mui v{ nc. Cng thc cu to ngca X l{

A. C2H5COOC(Cl2)H C. HCOO-C(Cl2)C2H5B. CH3COOCH(Cl)CH2Cl D. CH3-COOC(Cl2)CH3

Cu 33:t ch|y ho{n to{n a mol anehit X (mch h) to ra b mol CO2, c mol H2O (bit b=a+c)Trong phn ng tr|ng gng 1 ph}n t X ch cho 2 electron. X l{ anehit c c im g?

A.No, n chc B.Khng no, n chc, c mt ni iC.No, hai chc D.Khng no, n chc, c hai ni i

35

17Cl

37

17Cl


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Cu 35: Este X c cng thc ph}n t l{ C5H10O2. Thy ph}n X trong NaOH thu c ru Y. hirat ha ru Y thu c hn hp 3 anken. Vy tn gi ca X l{

A. tert-butyl fomiat B. iso-propyl axetat C. etyl propionat D. sec-butyl fomiat

Cu 36:Trn 100 ml dung dch NaOH 2,5M vi 100ml dung dch H3PO41,6M thu c dung dch X.X|c nh c|c cht tan c trong X?

A. Na3PO4, NaOH B. NaH2PO4, H3PO4 C. Na3PO4, Na2HPO4 D.Na2HPO4, NaH2PO4

Cu 37: Cho c|c cht lng C2H5OH, C6H5OH, C6H5NH2, c|c dung dch C6H5ONa, NaOH, CH3COOH, HCl.Cho c|c cht trn t|c dng vi nhau tng i mt iu kin thch hp. S cp cht xy ra phn ngho| hc l{

A. 9 B. 10 C. 11 D. 8Cu 38: Hp cht X c cha vng benzen v{ c cng thc ph}n t l{ C7H6Cl2. Thy ph}n ho{n to{n Xtrong NaOH c d, t0cao, p cao thu c cht Y c cng thc ph}n t l{ C7H7O2Na. Cho bit X c baonhiu cng thc cu to tha m~n?

A. 3 B. 5 C. 4 D. 2Cu 39:Cho s sau:Cu + dd mui X khng phn ng; Cu + dd mui Y khng phn ng.Cu + dd mui X + dd mui Y phn ngVi X, Y l{ mui ca natri. Vy X,Y c th l{

A. NaAlO2, NaNO3 B. NaNO3, NaHCO3 C. NaNO3, NaHSO4 D. NaNO2, NaHSO3Cu 40:Hp cht X l{ dn xut ca benzen c cng thc ph}n t C 8H10O2. X tc dng vi NaOH theot l mol 1:1. Mt kh|c cho X t|c dng vi Na th s mol H2 thu c ng bng s mol ca X ~ phnng. Nu t|ch mt ph}n t H2O t X th to ra sn phm c kh nng trng hp to polime. S cngthc cu to ph hp ca X l{

A. 9 B. 2 C. 6 D. 7Cu 41:Cho c|c cht sau C2H5OH(1), CH3COOH(2), CH2=CH-COOH(3), C6H5OH(4), p-CH3-C6H4OH(5),

C6H5-CH2OH(6). Sp xp theo chiu tng dn linh ng ca nguyn t H trong nhm -OH ca c|ccht trn l{

A. (1), (5), (6), (4), (2), (3) B. (1), (6), (5), (4), (2), (3)C. (1), (6), (5), (4), (3), (2) D. (3), (6), (5), (4), (2), (1)

Cu 42:Tin h{nh trng hp 1mol etilen iu kin thch hp, em sn phm sau trng hp t|cdng vi dung dch brom th lng brom phn ng l{ 36 gam. Hiu sut phn ng trng hp v{khi lng poli etilen (PE) thu c l{

A. 85% v 23,8 gam B. 77,5 % v 22,4 gam C. 77,5% v 21,7 gam D. 70% v 23,8 gamCu 43:Mt hp cht hu c X c cng thc ph}n t C 3H10O3N. Cho X phn ng vi NaOH d, c

cn dung dch sau phn ng thu c cht rn Y (ch c c|c hp cht v c) v{ phn hi Z (ch cmt hp cht hu c no, n chc mch khng ph}n nh|nh). Cng thc cu to ca X l{

A. HCOONH3CH2CH2NO2 B. HO-CH2-CH2-COONH4C. CH3-CH2-CH2-NH3NO3 D. H2N-CH(OH)CH(NH2)COOH

Cu 44:Ho{ tan ho{n to{n 74 gam hn hp X gm FeO, Fe3O4, Fe2O3bng dung dch H2SO4 longd sinh ra 178 gam mui sunfat. Nu cng cho 74 gam hn hp X trn phn ng vi lng d khCO nhit cao v{ dn sn phm kh qua dung dch nc vi trong d th khi lng (gam) ktta to th{nh l{ bao nhiu? (c|c phn ng xy ra ho{n to{n)

A. 130 B. 180 C. 150 D. 240

Cu 45: ph}n bit hai ng ph}n glucoz v{ fructoz ngi ta c th dngA.nc vi trong B.nc brom C. dd AgNO3/NH3 D.Cu(OH)2/NaOH


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Cu 47:Amino axit mch khng ph}n nh|nh X cha a nhm -COOH v b nhm -NH2. Khi cho 1mol Xt|c dng ht vi axit HCl thu c 169,5 gam mui. Cho 1 mol X t|c dng ht vi dung dch NaOHthu c 177 gam mui. Cng thc ph}n tca X l{

A. C4H7NO4 B. C3H7NO2 C. C4H6N2O2 D. C5H7NO2Cu 48:C hai bnh kn khng gi~n n ng y c|c hn hp kh toC nh sau:- Bnh (1) cha H2 v Cl2- Bnh (2) cha CO v{ O2Sau khi un nng c|c hn hp phn ng xy ra, a nhit v trng th|i ban u th |p suttrong c|c bnh thay i nh th n{o?

A.Bnh (1) gim, bnh (2) tng. B.Bnh (1) khng i, bnh (2) gim.C.Bnh (1) tng, bnh (2) gim. D.Bnh (1) khng i, bnh (2) tng.

Cu 49:Cho hn hp dng bt gm Al v{ Fe v{o 100 ml dung dch CuSO 40,75 M, khuy k hnhp phn ng xy ra ho{n to{n thu c 9 gam cht rn A gm hai kim loi. ho{ tan ho{nto{n cht rn A th cn t nht bao nhiu lt dung dch HNO 31M (bit phn ng to ra sn phm khNO duy nht)?

A. 0,6 lit B. 0,5 lit C. 0,4 lt D. 0,3 lit

Cu 50: Cho 11,6 gam FeCO3t|c dng va vi dung dch HNO3thu c hn hp kh (CO2, NO)v{ dung dch X. Khi thm dung dch HCl d v{o dung dch X th ho{ tan ti a c bao nhiu gambt Cu (bit c kh NO bay ra)

A. 28,8 gam B. 16 gam C. 48 gam D. 32 gam

--- HT ---


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Cu 1:t ch|y ho{n to{n 8,0 gam hn hp X gm hai ankin (th kh nhit thng) thu c26,4 gam CO2. Mt kh|c, cho 8,0 gam hn hp X t|c dng vi dung dch AgNO3 trong NH3d n khiphn ng ho{n to{n thu c lng kt ta vt qu| 25 gam. Cng thc cu to ca hai ankin trnl

A. CHCH v{ CH3-CCH. B. CHCH v{ CH3-CH2-CCH.C. CHCH v{ CH3-CC-CH3. D. CH3-CCH v{ CH3-CH2-CCH.

Cu 2:C 500 ml dung dch X cha Na+, , v . Ly 100 ml dung dch X t|c dng vilng d dung dch HCl thu c 2,24 lt kh. Ly 100 ml dung dch X cho t|c dng vi lng d dungdch BaCl2thu c 43 gam kt ta. Ly 200 ml dung dch X t|c dng vi lng d dung dch NaOH thuc 8,96 lt kh NH3. C|c phn ng ho{n to{n, c|c th tch kh u o ktc. Tnh tng khi lngmui c trong 300 ml dungdch X ?

A. 23,8 gam. B. 86,2 gam. C. 71,4 gam. D. 119 gam.Cu 3: x{ phng ha 1,0 kg cht bo c ch s axit bng 7, ngi ta un cht bo vi 142 gam

NaOH trong dung dch. Sau khi c|c phn ng xy ra ho{n to{n, trung ha NaOH d cn va 50 mldung dch HCl 1M. Khi lng glixerol thu c t phn ng x{ phng ha l

A. 145,2 gam. B. 134,5 gam C. 120,0 gam. D. 103,5 gam.Cu 4:Cho c|c cp cht sau:(1). Kh Cl2 v kh O2. (6). Dung dch KMnO4 v kh SO2.(2). Kh H2Sv kh SO2. (7). Hg v S.

(3). Kh H2S v{ dung dch Pb(NO3)2. (8). Kh CO2v{ dung dch NaClO.(4). Kh Cl2v{ dung dch NaOH. (9). CuS v{ dung dch HCl.(5).Kh NH3v{ dung dch AlCl3. (10).Dung dch AgNO3v{ dung dch Fe(NO3)2

S cp cht xy ra phn ng ha hc nhit thng l{A. 8. B. 7. C. 9. D. 10.

Cu 5:Cho c|c cht sau: HOOC-COONa, K2S, H2O, KHCO3, Al(OH)3, Al, KHSO4, Zn, (NH4)2SO3. S chtc tnh lng tnh l{

A. 6. B. 5. C. 4. D. 7.Cu 6:Cho phng trnh ha hc:aFeSO4 + bKMnO4 + cNaHSO4 xFe2(SO4)3 + yK2SO4 + zMnSO4 + tNa2SO4 + uH2Ovi a,b,c,x,y,z,t,u l{ c|c s nguyn ti gin. Tng h s c|c cht trong phng trnh ha hc trn l{

A. 46. B. 50. C. 52. D. 28.

Cu 7: nhit khng i, h c}n bng n{o b chuyn dch theo chiu thun khi tng |p sut cah ?A. 2NO(kh) N2(kh) + O2 (kh) B. N2(kh) + 3H2(kh) 2NH3(kh)C. 2CO2(kh) 2CO(kh) + O2 (kh) D. 2SO3(kh)2SO2(kh) + O2(kh)

Cu 8:im ging nhau ca glucoz v{ saccaroz l{A. u phn ng vi dung dch AgNO3 trong NH3to Ag.B. u phn ng vi Cu(OH)2to dung dch m{u xanh lam.C. u b thu ph}n trong dung dch axit.D. u phn ng vi H2c xc t|c Ni nung nng cng thu c mt ancol a chc.

Cu 9:Hp cht X cha vng benzen, c cng thc ph}n t CxHyN. Khi cho X t|c dng vi dung dchHCl thu c mui Y c cng thc dng RNH3Cl (R l{ gc hirocacbon). Phn trm khi lng canit trong X l{ 13 084% S ng ph}n cu to ca X tha m~n c|c iu kin trn l{


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Anehit no, mch h X1 X2 X3 Cao su buna.

Anehit no mch h X4 X5 X3 Cao su buna.H~y cho bit: khi cho X1 v X4vi khi lng bng nhau t|c dng ho{n to{n vi dung dch AgNO3trong NH3un nng, cht n{o to ra lng Ag nhiu hn ?

A. X1. B. bng nhau. C. X4. D. khng x|c nh c.Cu 11:Nhit ph}n ho{n to{n R(NO3)2(vi R l{ kim loi) thu c 8 gam mt oxit kim loi v{ 5,04lt hn hp kh X gm NO2 v O2 (o ktc). Khi lng ca hn hp kh X l{ 10 gam. X|c nh cng thcca mui R(NO3)2 ?

A. Mg(NO3)2. B. Zn(NO3)2. C. Cu(NO3)2. D. Fe(NO3)2.

Cu 12:C bao nhiu nguyn t ha hc m{ nguyn t c electron cui cng in v{o ph}n lp 4s? A. 2. B. 1. C. 9. D. 12.

Cu 13:Oxi ha anehit X n chc bng O2(xc t|c thch hp) vi hiu sut phn ng l{ 75% thuc hn hp Y gm axit cacboxylic tng ng v{ anehit d. Trung ha axit trong hn hp Y cn100ml dung dch NaOH 0,75M ri c cn dung dch sau phn ng thu c 5,1 gam cht rn khan.Nu cho hn hp Y t|c dng ho{n to{n vi dung dch AgNO3 trong NH3d, un nng th thu ckhi lng Ag l{

A. 21,6 gam. B. 5,4 gam. C. 10,8 gam. D. 27,0 gam.Cu 14:Khi nung butan vi xc t|c thch hp thu c hn hp T gm CH 4, C3H6, C2H4, C2H6, C4H8,H2 v C4H10d. t ch|y ho{n to{n hn hp T thu c 8,96 lt CO2(o ktc) v{ 9,0 gam H2O. Mtkh|c, hn hp T l{m mt m{u va ht 12 gam Br2trong dung dch nc brom. Hiu sut phn ngnung butan l

A. 45%. B. 75%. C. 50%. D. 65%.Cu 15:Cho 0,1 mol -amino axit X t|c dng va vi 50 ml dung dch HCl 2M. Trong mt thnghim kh|c, cho 26,7 gam X v{o dung dch HCl d, sau c cn cn thn dung dch thu c 37,65

gam mui khan. Vy X l{:A. Alanin. B. Valin. C. Glyxin. D. Axit glutamic.

Cu 16:Thy ph}n m (gam) xenluloz trong mi trng axit. Sau mt thi gian phn ng, emtrung ha axit bng kim, sau cho hn hp t|c dng ho{n to{n vi dung dch AgNO 3 trong NH3thu c m (gam) Ag. X|c nh hiu sut ca phn ng thy ph}n xenluloz ?

A. 50%. B. 75%. C. 80%. D. 66,67%.Cu 17:Trong phng th nghim, hirohalogenua (HX) c iu ch t phn ng sau:NaX(rn) + H2SO4(c, nng) NaHSO4(hoc Na2SO4) + HX (kh).H~y cho bit phng ph|p trn c th dng iu ch c hirohalogenua n{o sau }y ?

A. HCl, HBr v HI. B. HF v HCl. C. HF, HCl, HBr, HI. D. HBr v HI.Cu 18:Hp cht X c cng thc ph}n t l{ C5H8O2. Cho 10 gam X t|c dng ho{n to{n, va vidung dch NaOH thu c dung dch Y. Ly to{n b dung dch Y t|cdng ho{n to{n vi dung dchAgNO3 trong NH3un nng thu c 43,2 gam Ag. S ng ph}n cu to ca X tha m~n c|c iukin trn l{

A. 2. B. 1. C. 3 D. 4.Cu 19:Cho c|c trng hp sau:(1). O3t|c dng vi dung dch KI. (5). KClO3t|c dng vi dung dch HCl c, un nng.(2). Axit HF t|c dng vi SiO2. (6). un nng dung dch b~o ha gm NH4Cl v NaNO2.

(3). MnO2t|c dng vi dung dch HCl c, nng. (7). Cho kh NH3 qua CuO nung nng.(4). Kh SO2t|c dng vi nc Cl2.

o2+H /Ni,t 2- H O

ot ,p,xt

o2+H /Ni,t 2 2-H O,-H

ot ,p,xt


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Cu 20:Cho hn hp X gm 8,4 gam Fe v{ 6,4 gam Cu v{o dung dch HNO 3. Sau khi phn ng ho{nto{n thu c 3,36 lt kh NO (l{ sn phm kh duy nht, ktc). Khi lng mui thu c sau phnng:

A. 41,3 gam. B. 41,1gam. C. 36,3 gam. D. 42,7 gam.Cu 21:Cht A mch h c cng thc CxHyCl2. Khi cho tt c c|c ng ph}n ca A t|c dng ho{nto{n vi dung dch NaOH un nng thu c hn hp sn phm trong c ba ancol c kh nngha tan c Cu(OH)2to th{nh dung dch m{u xanh lam. Cng thc ph}n t ca A l{

A. C3H6Cl2. B. C4H8Cl2. C. C5H10Cl2. D. C4H6Cl2.

Cu 22:Cho c|c cht sau:1) axit 2-hiroxipropan-1,2,3-tricacboxylic (c trong qu chanh)2) axit 2-hiroxipropanoic (c trong sa chua).3) axit 2-hiroxibutanioic (c trong qu t|o).4) axit 3-hiroxibutanoic (c trong nc tiu ca ngi bnh tiu ng). 5) axit 2,3-ihiroxibutanioic (c trong ru vang).Th t sp xp c|c axit trn theo chiu tnh axit mnh dn t tr|i sang phi l{

A. 2,4,5,3,1. B. 4,2,3,5,1. C. 2,3,4,5,1. D. 4,3,2,1,5.

Cu 23:Hn hp X gm ancol metylic v{ ancol A no, n chc, mch h.Cho 7,6 gam X t|c dng vi Na dthu c 1,68 lt H2(o ktc). Mt kh|c oxi ha ho{n to{n 7,6 gam X bng CuO nung nng ri cho to{nb sn phm thu c t|c dng ho{n to{n vi dung dch AgNO3 trong NH3d thu c 21,6 gam kt ta.Cng thc cu to ca A l{

A. CH3CH(OH)CH3. B. CH3CH2CH(OH)CH3. C. CH3CH2CH2OH. D. C2H5OH.Cu 24:t ch|y ho{n to{n 0,1 mol cht hu c X l{ dn xut ca benzen thu c CO 2c khilng nh hn 35,2 gam. Bit rng a (mol) X phn ng va vi 500 ml dung dch NaOH 2a(M).Cng thc cu to ca X l{

A. HO-CH2-C6H4-COOH. B. HO-C6H4-CH2OH.C. C6H5-CH2OH. D. C6H4(OH)2.

Cu 25:Cho mt ipeptit Y c cng thc ph}n t C6H12N2O3. S ng ph}n peptit ca Y (ch chagc -amino axit) mch h l{

A. 6. B. 7. C. 5. D. 4.Cu 26:Ha tan 10,65 gam hn hp gm mt oxit kim loi kim v{ mt oxit kim loi kim th bngdung dch HCl d c dung dch X. C cn dung dch X, ly mui khan em in ph}n nng chyho{n to{n vi in cc tr th thu c 3,36 lt kh (o ktc) anot v{ a (gam) hn hp kim loi catot. Gi| tr ca a l{

A. 9,45. B. 5,85. C. 8,25. D. 9,05.

Cu 27:C 49,125 gam cao su buna-S phn ng va ht vi 30 gam brom trong CCl4. T l s mtxch stiren v{ butaien trong loi cao su trn tng ng l{

A. 1: 2 B. 2: 3. C. 2: 1. D. 1: 3.Cu 28:Cho kh CO qua hn hp T gm Fe v{ Fe2O3nung nng thu c hn hp kh B v{ hn hp chtrn D. Cho B qua dung dch Ca(OH)2d thu c 6 gam kt ta. Mt kh|c, ha tan hn hp D bng dungdch H2SO4c, nng, d thu c 0,18 mol SO2(sn phm kh duy nht) v{ 24 gam mui. Phn trm smol ca Fe trong hn hp T l{

A. 80%. B. 45%. C. 50%. D. 75%.Cu 29:Trong s c|c loi t sau: t lapsan, t nitron, t visco, t nilon-6,6, t axetat, t capron, tnilon-7. C bao nhiu loi t thuc loi t nh}n to?

A. 1. B. 3. C. 4. D. 2.


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TN 2: Trn 0,02 mol ancol X vi 0,015 mol ancol Y ri cho hn hp t|c dng ht vi Na c 0,952 lt H2TN 3: t ch|y ho{n to{n mt lng hn hp ancol nh trong th nghim 1 thu c 6,21 gam hnhp gm CO2 v H2O.Bit th tch c|c khi o ktc v{ c|c ancol u mch h. Cng thc 2 ancol X v{ Y ln lt l{

A. C2H4(OH)2 v C3H5(OH)3. B. C2H5OH v C3H7OH.C. C3H6(OH)2 v C3H5(OH)3. D. CH3OH v C2H5OH.

Cu 31:Ha tan hn hp gm Fe v{ FexOycn va 0,1 mol H2SO4c thu c 0,56 lt kh SO2(snphm kh duy nht, o ktc) v{ dung dch X ch cha mui Fe(III). C cn dung dch X thu c khlng mui khan l{


Cu 32: Cho 15,84 gam este no, n chc, mch h v{o cc cha 30ml dung dch MOH 20%(d=1,2g/ml) vi M l{ kim loi kim. Sau phn ng ho{n to{n, c cn dung dch thu c cht rn X.t ch|y ho{n to{n X thu c 9,54gam M2CO3v{ hn hp gm CO2, H2O. Kim loi M v{ cng thccu to ca este ban u l{

A. K v CH3COOCH3. B. K v HCOO-CH3. C. Na v CH3COOC2H5. D. Na v HCOO-C2H5.

Cu 33:Cho dung dch AgNO3t|c dng vi dung dch cha cht X thy to kt ta T m{u v{ng. Chokt ta T t|c dng vi dung dch HNO3d thy kt ta tan. Cht X l{A. KI. B. KCl. C. KBr. D. K3PO4.

Cu 34: X l tetrapeptit Ala-Gly-Val-Ala, Y l tripeptit Val-Gly-Val. un nng m (gam) hn hp chaX v{ Y c t l s mol ca X v{ Y tng ng l{ 1:3 vi dung dch NaOH va . Phn ng ho{n to{nthu c dung dch T. C cn cn thn dung dch T thu c 23,745 gam cht rn khan. Gi| tr cam l

A. 19,455. B. 68,1. C. 17,025. D. 78,4

Cu 35:Hn hp kh X c th tch 4,48 lt (o ktc) gm H2v{ vinylaxetilen c t l mol tng ng

l{ 3:1. Cho hn hp X qua xc t|c Ni nung nng thu c hn hp kh Y c t khi so vi H 2bng14,5. Cho to{n b hn hp Y trn t t qua dung dch nc brom d (phn ng ho{n to{n) thkhi lng brom ~ phn ng l


Cu 36:Hn hp T gm hai axit cacboxylic no mch h. - Th nghim 1: t ch|y ho{n to{n a (mol) hn hp T thu c a (mol) H 2O.- Th nghim 2: a (mol) hn hp T t|c dng vi dung dch NaHCO 3d thu c 1,6a (mol) CO2.Phn trm khi lng ca axit c ph}n t khi nh hn trong T l{

A. 40,00%. B. 46,67%. C. 31,76%. D. 25,41%.Cu 37:Cho 3,76 gam hn hp X gm Mg v{ MgO c t l mol tng ng l{ 14:1 t|c dng ht vidung dch HNO3th thu c 0,448 lt mt kh duy nht (o ktc) v{ dung dch Y. C cn cn thndung dch Y thu c 23 gam cht rn khan T. X|c nh s mol HNO3~ phn ng ?

A. 0,28 B. 0,32 C. 0,36 D. 0,34Cu 38:Este n chc X khng c nh|nh, ch cha C,H,O v{ khng cha c|c nhm chc kh|c. Bit tkhi hi ca X so vi O2l{ 3,125. Khi cho 15 gam X t|c dng va vi dung dch NaOH un nngc cn dung dch sau phn ng thu c 21 gam mui khan. Cng thc cu to ca X l{

A. HCOO-CH2-CH2CH=CH2. B. CH3COO-CH2-CH=CH2.C. D.

Cu 39: Ha tan 3 gam CH3COOH v{o nc to ra 250 ml dung dch c in ly =1,4%. Nng c}n

CH2-CH2-C=O

CH 2-CH 2-O

CH3-CH-CH2

CH2-O

C=O


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Cu 40:Ha tan 2m (gam) kim loi M bng dung dch HNO 3c, nng, d hay ha tan m (gam) hp cht X(hp cht ca M vi lu hunh) cng trong dung dch HNO 3c, nng, d th cng thu c kh NO2(snphm kh duy nht) c th tch bng nhau cng iu kin nhit v{ |p sut. Gi s nguyn t lu hunhch b oxi ha ln mc cao nht. Kim loi M v{ cng thc ph}n t ca X ln lt l{

A. Mg v MgS. B. Cu v Cu2S. C. Cu v CuS. D. Fe v FeS.

Cu 41:Cho s sau: X + H2 ancol X1.

X + O2 axit hu c X2.

X1 + X2 C6H10O2 + H2O.

Cng thc cu to ca X l{A. CH3CH2CHO. B. CH2=CH-CHO. C. CH2=C(CH3)-CHO. D. CH3-CHO.

Cu 42:Cho c|c cht sau: phenol, kh sunfur, toluen, ancol benzylic, isopren, axit metacrylic, vinyl axetat,phenyl amin, axit benzoic. S cht phn ng c vi dung dch nc brom nhit thng l{

A. 3. B. 4. C. 6. D. 5.Cu 43:Dung dch X cha 14,6 gam HCl v{ 22,56 gam Cu(NO3)2. Thm m (gam) bt st v{o dung dch X, saukhi phn ng xy ra ho{n to{n thu c hn hp kim loi c khi lng l{ 0,5m (gam) v{ ch to kh NO (sn

phm kh duy nht ca

). Gi| tr ca m l{A. 14,88. B. 20,48. C. 9,28. D. 1,92.Cu 44:Ha tan hn hp X gm Cu v{ Fe2O3trong 400 ml dung dch HCl a (M) thu c dung dch Y v{ cn li 1,0gam Cu khng tan. Nhng thanh Mg v{o dung dch Y, sau khi phn ng ho{n to{n nhc thanh Mg ra thy khilng tng thm 4,0 gam so vi khi lng thanh Mg ban u v{ c 1,12 lt kh H2(o ktc) tho|t ra (gi thitton b lng kim loi tho|t ra u b|m ht v{o thanh Mg). Khi lng Cu trong X v{ gi| tr ca a ln lt l{

A. 3,2g gam v 0,75M. B. 3,2 gam v 2M. C. 4,2 gam v 1M. D. 4,2 gam v 0,75M.Cu 45:C bao nhiu ng ph}n cu to, mch h c cng thc ph}n t C 5H8t|c dng vi H2d (xc t|cthch hp) thu c sn phm isopentan ?

A. 4. B. 2. C. 6. D. 3.

Cu 46:Cho a (gam) st v{o dung dch cha y mol CuSO4 v z mol H2SO4 lo~ng, sau phn ng ho{n ton thuc kh H2, a (gam) ng v{ dung dch ch cha mt cht tan duy nht. Mi quan h gia y v{ z l{

A. y = 5z. B. y = 7z. C. y = z. D. y = 3z.Cu 47:Hp cht ion G to nn t c|c ion n nguyn t M 2+ v X2-. Tng s ht (ntron, proton, electron)trong ph}n t G l{ 84, trong s ht mang in nhiu hn s ht khng mang in l{ 28 ht. S ht mangin ca ion X2-t hn s ht mang in ca ion M2+l{ 20 ht. V tr ca M trong bng tun ho{n l{

A. 20, chu k 4, nhm IIA. B. 12, chu k 3, nhm IIA.C. 8, chu k 2, nhm VIA.D. 26, chu k 4, nhm VIIIB.

Cu 48:Hn hp X gm mt anehit v{ mt ankin c cng s nguyn t cacbon. t ch|y ho{n to{n a (mol)hn hp X thu c 3a (mol) CO2 v 1,8a (mol) H2O. Hn hp X c s mol 0,1 t|c dng c vi ti a 0,14

mol AgNO3 trong NH3(iu kin thch hp). S mol ca anehit trong 0,1 mol hn hp X l{A. 0,03. B. 0,04. C. 0,01. D. 0,02.

Cu 49:Hp th ho{n to{n 4,48 lt CO2(ktc) v{o 200ml dung dch cha Na2CO3 0,5M v NaOH 0,75M thuc dungdch X. Cho dung dch BaCl2d v{o dung dch X thu c kt ta c khi lng l{

A. 19,7gam. B. 39,4 gam. C. 29,55 gam. D. 9,85gam.Cu 50:Cho c|c cht sau: toluen, etilen, xiclopropan, stiren, vinylaxetilen, etanal, imetyl xeton, propilen. Scht l{m mt m{u dung dch KMnO4 nhit thng l{

A. 4. B. 6. C. 7. D. 5.

--- HT ---

0xt,t

0xt,t

0

xt,t


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Cu 1: Gii thch n{o sau }y l{ khngng?A. Xenluloz trinitrat hnh th{nh nh phn ng:

[C6H7O2(OH)3]n + 3nHNO [C6H7O2(ONO2)3]n + 3nH2O

B. Rt dung dch HCl vo vi si bng, vi mn dn do phn ng:

(C6H10O5)n + nH2O nC6H12O6C. Rt H2SO4c vo vi si bng, vi ben v{ thng ngay do phn ng:(C6H10O5)n 6nC + 5nH2O

D. Xenluloz triaxetat hnh th{nh nh phn ng:

[C6H7O2(OH)3]n + 3nCH3COOH [C6H7O2(OOCCH3)3]n + 3nH2O

Cu 2: Cho Cacbon (C) ln lt tc dng vi Al, H2O, CuO, HNO3c, H2SO4c, KClO3, CO2iu kinthch hp. S phn ng m{ trong C ng vai tr l{ cht kh?

A. 4 B. 7 C. 5 D. 6

Cu 3: Thc hin phn ng crackinh butan thu c mt hn hp X gm cc ankan v cc anken. Cho tonb hn hp X vo dung dch Br2d thy c kh thot ra bng 60% th tch X v khi lng dung dch Br2tng

5,6 gam v{ c 25,6 gam brom ~ tham gia phn ng. t ch|y ho{n to{n kh bay ra thu c a mol CO2 v bmol H2O. Vy a v b c gi tr l:

A. a = 0,9 mol v b = 1,5 mol B. a = 0,56 mol v b = 0,8 molC. a = 1,2 mol v b = 1,6 mol D. a = 1,2 mol v b = 2,0 mol

Cu 4: Ho tan hon ton hn hp X cha Fe3O4 v FeS2 trong 63 gam dung dch HNO3thu c 1,568 ltNO2 duy nht (ktc). Dung dch thu c tc dng va vi 200 ml dung dch NaOH 2M, lc kt ta riem nung n khi lng khng i th thu c 9,76 gam cht rn. Nng % ca dung dch HNO3 ban ul:

A. 47,2% B. 42,6% C. 46,2% D. 46,6%

Cu 5: X phng ha hon ton 100 gam cht bo X cn dng va 100 ml dung dch NaOH 0,8M, sau phn

ng thu c 100,81 gam x{ phng. X|c nh ch s axit ca cht bo .A. 1,4 B. 5,6 C. 11,2 D. 2,8

Cu 6: Cho cc dung dch AlCl3, NaCl, NaAlO2, HCl. Dng mt ho cht trong s cc ho cht sau: Na2CO3NaCl, NaOH, qu tm, dung dch NH3, NaNO3 th s ho cht c th phn bit c 4 dung dch trn l:

A. 3 B. 4 C. 5 D. 6

Cu 7: Cho m gam Mg vo dung dch cha 0,12 mol FeCl3. Sau khi phn ng xy ra ho{n to{n thu c 3,36gam cht rn. Gi tr ca m l:


Cu 8: Cho dung dch CH3COOH 0,1M, KA = 1,8.10-5. in li ca axit axetic gim mt na so vi ban u

th khi lng CH3COOH cn phi cho vo 1 lt dung dch trn l:A. 6 gam B. 12 gam C. 9 gam D. 18 gam

Cu 9:ipeptit mch h X v tripeptit mch hY u c to nn t mt -aminoaxit (no, mch h, trongphn t cha mt nhm -NH2 v mt nhm -COOH). t ch|y ho{n to{n 0,1 mol Y thu c tng khi lngCO2 v H2O bng 54,9 gam. t chy hon ton 0,2 mol X, sn phm thu c cho li t tqua nc vi trong dto ra m gam kt ta. Gi tr ca m l:

A. 120 gam B. 60 gam C. 30 gam D. 45 gam Cu 10:Hp cht hu c X mch h c khi lng mol l{ 56 vC. Khi t chy X bng oxi thu c sn phm ch gmCO2 v H2O. X lm mt mu dung dch brm. S cng thc cu to c th c ca X l:

A. 4 B. 7 C. 6 D. 5

Cu 11: Cho dy gm cc cht: Na, Mg, Ag, O3, Cl2, HCl, Cu(OH)2, Mg(HCO3)2, CuO, NaCl, C2H5OH, C6H5OHC6H5NH2, CH3ONa, CH3COONa. S cht tc dng c vi dung dch axit propionic (trong iu kin thchhp) l


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A. CH3COOH trong mi trng axit B. CH3CHO trong mi trng axit

C. HCOOH trong mi trng axit D. HCHO trong mi trng axit

Cu 13:Ha tan 3,56 gam oleum X v{o nc thu c dung dch Y. trung ha dung dch Y cn dng 80 mldung dch NaOH 1,0M. Vy cng thc ca X l:

A. H2SO4.2SO3 B. H2SO4.4SO3 C. H2SO4.SO3 D. H2SO4.3SO3

Cu 14: Cho m gam bt Fe vo 200 ml dung dch hn hp A cha H2SO4 1M, Fe(NO3)3 0,5M v CuSO4 0,25M.Khuy u cho n khi phn ng kt thc thu c 0,75m gam cht rn. Gi tr ca m l:

A. 43,2 gam B. 56 gam C. 33,6 gam D. 32 gamCu 15: Cho kim loi M vo dung dch mui ca kim loi X thy c kt ta v kh bay ln. Cho kim loi X vodung dch mui ca kim loi Y thy c kt ta Y. Mt khc, cho kim loi X vo dung dch mui ca kim loi Z,khng thy c hin tng g. Cho bit s sp xp n{o sau }y ng vi chiu tng dn tnh kim loi ca X, Y, Z, M?

A. Z < X < Y < M B. Y < X < Z < M C. Z < X < M < Y D. Y < X < M < Z

Cu 16: Hn hp kh X gm H2 v C2H4 c t khi so vi He l 3,75. Nung X vi Ni sau mt thi gian thu chn hp kh Y c t khi so vi He l 5. Hiu sut phn ng hiro ha l{:

A. 50% B. 20% C. 40% D. 25%

Cu 17:un nng cht H2N-CH2-CONH-CH(CH3)-CONH-CH2-COOH trong dung dch HCl d, sau khi cc phnng kt thc thu c sn phm l:

A. H3N+-CH2-COOHCl-, H3N+-CH2-CH2-COOHCl-

B. H3N+-CH2-COOHCl-, H3N+-CH(CH3)-COOHCl-

C. H2N-CH2-COOH, H2N-CH2-CH2-COOH

D. H2N-CH2-COOH, H2N-CH(CH3)-COOH

Cu 18: Dn hn hp M gm hai cht X v Y c cng thc phn t C3H6 v C4H8 vo dung dch brom trongdung mi CCl4 thy dung dch brom b nht mu v khng c kh thot ra. Ta c cc kt lun sau:

a). X v Y l 2 xicloankan vng 3 cnh

b). X v Y l mt anken v mt xicloankan vng 4 cnh

c). X v{ Y l{ 2 anken ng ng ca nhau

d). X v Y l mt anken v mt xicloankan vng 3 cnhe). X v Y l mt xicloankan vng 3 cnh v mt xicloankan vng 4 cnh

Cc kt lun ng l{:

A. a, c, d B. a, b, c, d C. a, b, d D. a, b, c, d, e

Cu 19:em ha tan ho{n to{n m gam Mg trong dung dch cha ng thi a mol H2SO4 v b mol HCl, sauphn ng ho{n to{n thu c dung dch cha 2 mui c tng khi lng l 4,1667m. Thit lp biu thc linh gia s mol ca 2 axit:

A. b = 6a B. b = 4a C. b = 8a D. b = 7a

Cu 20: Cho cc phn ng sau: Glucoz + CH3OH X + H2O

2X + Cu(OH)2 Y + 2H2OVy cng thc ca Y l:

A. (C7H14O7)2Cu B. (C7H13O7)2Cu C. (C6H12O6)2Cu D. (C6H11O6)2Cu

Cu 21:t chy hon ton 1,6 gam mt este E n chc c 3,52 gam CO2 v 1,152 gam H2O. Nu cho 10gam E tc dng vi 150 ml dung dch NaOH 1M, c cn dung dch sau phn ng thu c 16 gam cht rnkhan. Vy cng thc ca axit to nn este trn c th l:

A. HOOC-CH2-CH(OH)-CH3 B. CH3-C(CH3)2-COOH

C. HOOC(CH2)3CH2OH D. CH2=CH-COOH

Cu 22: S sp xp n{o sau }y ng vi chiu tng dn tnh axit?

A. axit phenic < axit p-nitrobenzoic < axit p-metylbenzoic < axit benzoicB. axit p-nitrobenzoic < axit benzoic < axit phenic < axit p-metylbenzoic

C axit p-metylbenzoic < axit p-nitrobenzoic < axit benzoic < axit phenic

HCl khan

OH


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Cu 23: Ha tan hon ton m gam hn hp gm Na, Na2O, NaOH v Na2CO3 trong dung dch axt H2SO4 40%(va ) thu c 8,96 lt hn hp kh c t khi i vi H2 bng 16,75 v dung dch Y c nng 51,449%. C cn Y thu c 170,4 gam mui. Gi tr ca m l:


Cu 24: Ha tan hon ton 30 gam hn hp X gm Mg, Al v Zn trong dung dch HNO3, sau phn ng ho{n to{n thu cdung dch Y v hn hp gm 0,1 mol N2O v 0,1 mol NO. C cn dung dch sau phn ng thu c 127 gam hn hpmui. Vy s mol HNO3~ b kh trong phn ng trn l:

A.0,40 mol B.0,30 mol C.0,45 mol D.0,35 molCu 25: Hn hp X gm: HCHO, CH3COOH, HCOOCH3 v CH3CH(OH)COOH. t chy hon ton hn hp Xcn V lt O2(ktc) sau phn ng thu c CO2 v H2O. Hp th ht sn phm chy v{o nc vi trong d thuc 30 gam kt ta. Vy gi tr ca V tng ng l:

A. 5,60 lt B. 8,40 lt C. 7,84 lt D. 6,72 lt

Cu 26: Trong cc chui phn ng ha hc sau, chui no c phn ng ha hc khng th thc hin c?

A. PP2O5H3PO4CaHPO4Ca3(PO4)2CaCl2Ca(OH)2CaOCl2

B. Cl2 KCl KOH KClO3 O2 O3 KOH CaCO3 CaOCaCl2Ca

C. NH3N2NONO2NaNO3NaNO2N2Na3NNH3NH4ClHCl

D. S H2S SO2HBrHClCl2H2SO4H2S PbSH2S NaHS Na2SCu 27:Cho s sau: p-xilen X1 axit terephtalic. Hy cho bit tng i s cc h s

cht trong phng trnh phn ng (1)?

A. 8 B. 16 C. 14 D. 18

Cu 28: Cho cc nhn xt sau:

(1). C th to c ti a 2 ipeptit t phn ng trng ngng hn hp Alanin v Glyxin

(2). Khc vi axt axetic, axt amino axetic c th tham gia phn ng vi axit HCl hoc phn ng trng ngng

(3). Ging vi axt axetic, aminoaxt c th tc dng vi baz to mui v{ nc

(4). Axt axetic v axt-amino glutaric c th l{m i mu qutm th{nh

(5). Thy phn khng hon ton peptit: Gly-Phe-Tyr-Gly-Lys-Gly-Phe-Tyr c ththu c 6 tripeptit c cha Gly(6). Cho HNO3c vo ng nghim cha anbumin thy to dung dch mu tm

C bao nhiu nhn xt ng?

A. 3 B. 5 C. 6 D. 4

Cu 29:X l este to taxit n chc v{ ancol a chc. X khng tc dng vi Na. Thy phn hon ton a gam Xcn dng va 100 gam dung dch NaOH 6% thu c 10,2 gam mui v 4,6 gam ancol. Vy cng thc ca Xl:

A. (CH3COO)2C3H6 B. (HCOO)2C2H4 C. (HCOO)3C3H5 D. (C2H3COO)3C3H5

Cu 30:Trong mt bnh kn dung tch 10 lt nung mt hn hp gm 1 mol N2 v 4 mol H2 nhit t0C

v p sut P. Khi phn ng t n trong thi cn bng thu c mt hn hp trong NH3 chim 25% thtch. X|c nh hng s cn bng KC ca phn ng: N2 + 3H2 2NH3.

A. 25,6 B. 1,6 C. 6,4 D. 12,8

Cu 31: Cho 2,8 gam bt st tc dng hon ton vi V ml dung dch HNO30,5M thu c sn phm kh NOduy nht v dung dch X. X c th tc dng va vi dung dch cha 0,03 mol AgNO3. Gi tr ca V l:

A. 280 ml B. 320 ml C. 340 ml D. 420 ml

Cu 32:t chy hon ton m gam hn hp X gm 2 ancol a chc, mch h, c cng s nhm -OH thu c11,2 lt kh CO2(ktc) v{ 12,6 gam H2O. Mt khc nu cho m gam hn hp X tc dng vi 10 gam Na th sauphn ng thu c a gam cht rn. Gi tr ca a v m ln lt l:

A. 13,8 v 23,4 B. 9,2 v 13,8 C. 23,4 v 13,8 D.9,2 v 22,6

Cu 33:Cho 672 ml kh clo (ktc) i qua 200 ml dung dch KOH a mol/l 1000C. Sau khi phn ng xy raho{n to{n thu c dung dch X c pH = 13. Lng cht rn thu c khi c cn dung dch X l:

04+KMnO ,t

(1)

(2 ) Dung dch HCl d


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Cu 34:Thu phn dung dch cha 34,2 gam mantoz mt thi gian. Ly ton b sn phm thu c sauphn ng thu phn cho tc dng vi lng d dung dch AgNO3 trong NH3, sau phn ng hon ton thuc 31,32 gam Ag. Hiu sut ca phn ng thuph}n mantoz l{:

A. 50% B. 45% C. 72,5% D. 55%

Cu 35: Thm t t tng git ca 100 ml dung dch cha Na2CO3 1,2M v NaHCO3 0,6M vo 200 ml dungdch HCl 1M, sau phn ng ho{n to{n thu c dung dch X. Cho dung dch nc vi trong d v{o dung dchX th thu c bao nhiu gam kt ta.

A. 10 gam B. 8 gam C. 12 gam D. 6 gamCu 36: Cho cc monome sau: stiren, toluen, metylaxetat, vinylaxetat, metylmetacrylat, metylacrylat,propilen, benzen, axt etanoic, axt -aminocaproic, caprolactam, etilenoxit. S monome tham gia phn ngtrng hp l:

A. 5 B. 6 C. 7 D. 8

Cu 37:Hp cht X c cng thc phn t l C5H13N. Khi cho X tc dng vi HNO2thu c cht Y c cngthc phn t l C5H12O. Oxi ha Y thu c cht hu c Y1 c cng thc phn t l C5H10O. Y1 khng c phn ngtrng bc. Mt kh|c, hirat ha Y thu c 2 anken l{ ng phn hnh hc ca nhau. Vy tn gi ca X l:

A. pentan-3-amin B. pentan-2-amin C. 3-metylbutan-2-amin D. isopentyl amin

Cu 38: X v Y l hai hp cht hu c ng phn ca nhau cng c cng thc phn t C5H6O4Cl2. Thy phnho{n to{n X trong NaOH d thu c hn hp cc sn phm trong c 2 mui v 1 ancol. Thy phn honto{n Y trong KOH d thu c hn hp cc sn phm trong c 1 mui v{ 1 anehit. X v{ Y ln lt ccng thc cu to l:

A. HCOOCH2COOCH2CHCl2 v CH3COOCH2COOCHCl2

B. CH3COOCCl2COOCH3 v CH2ClCOOCH2COOCH2Cl

C. HCOOCH2COOCCl2CH3 v CH3COOCH2COOCHCl2

D. CH3COOCH2COOCHCl2 v CH2ClCOOCHClCOOCH3

Cu 39: Cho cc nguyn t sau 13Al; 5B; 9F; 21Sc. Hy cho bit c im chung trong cu to ca nguyn t ccnguyn t.

A. u l cc nguyn t thuc cc chu k nh B. Electron cui cng thuc phn lp p

C. u c 1 electron c thn trng thi c bn D. u c 3 lp electron

Cu 40:Khi t chy mt polime sinh ra t phn ng ng trng hp isopren vi acrilonitrin bng lng oxiva thu c hn hp kh cha 58,33% CO2 v th tch. T l mt xch isopren vi acrilonitrin trong polimetrn l:

A. 1:3 B. 1:2 C. 2:1 D. 3:2

Cu 41: Cho m gam kim loi M tan hon ton trong 200 ml dung d ch HCl 0,5M thu c dung dch X v2,016 lt H2(ktc). Cho dung dch AgNO3d v{o dung dch X th thu c bao nhiu gam kt ta?


Cu 42:ng vi cng thc phn t C7H8O c bao nhiu ng phn l dn xut ca benzen v sng phnu tc dng c vi cc cht: K, KOH, (CH3CO)2O:

A. 5 v 2 B. 5 v 3 C. 4 v 2 D. 4 v 3

Cu 43: X c cng thc phn t l C4H8Cl2. Thy phn X trong dung dch NaOH un nng thu c chthu c Y n chc. Hy cho bit X c bao nhiu cng thc cu to?

A. 5 B. 3 C. 2 D. 4

Cu 44: Cho axeton tc dng vi HCN thu c cht hu c X. Thy ph}n X trong mi trng axit thu ccht hu c Y. hirat ha X thu c axit cacboxylic Y. Vy Y l cht n{o sau }y?

A. CH2=C(CH3)COOH B. CH2=CH-COOH C. CH2=CHCH2COOH D. CH3CH=CHCOOH

Cu 45: Ho tan Fe3O4trong lng d dung dch H2SO4 lo~ng thu c dung dch X. Dung dch X tc dngc vi bao nhiu cht trong s cc cht sau: Cu, NaOH, Br2, AgNO3, KMnO4, MgSO4, Mg(NO3)2, Al?


36/252

Cu 46:t chy hon ton 0,1 mol cht hu c X c cng thc tng qut CxHyO2thu c khng n 17,92 ltCO2(ktc). trung ho 0,2 mol X cn 0,2 mol NaOH. Mt khc cho 0,5 mol X tc dng vi Na d thu c 0,5mol H2. S nguyn t H c trong phn t X l:

A. 6 B. 8 C. 10 D. 12

Cu 47:T l khi lng phn t gia oxit cao nht ca nguyn t R v hp cht kh ca n vi hiro bng

Khi lng mol nguyn t ca R l:

A. 32 B. 12 C. 28 D. 19

Cu 48: Cho 100 gam glixerol tc dng vi 3 mol HNO3c (xc tc: H2SO4c). Tnh khi lng sn phmcha nhm nitro thu c. Bit rng c 80% glixerol v 70% HNO3~ phn ng.


Cu 49:Cho s sau: etanol X. Hy cho bit trong cc cht sau: etilen, etylclorua, etanal, axit etanoic,etylaxetat, buta-1,3-ien, glucoz. Bao nhiu cht c th l cht X?

A. 6 B. 5 C. 4 D. 3

Cu 50: Nung hn hp gm 3,2 gam Cu v 17 gam AgNO3 trong bnh kn, chn khng. Sau phn ng honto{n thu c hn hp kh X. Cho X phn ng ht vi nc thu c 2 lt dung dch Y. pH ca dung dch Y l:

A. 0,523 B. 0,664 C. 1 D. 1,3

---HT---

5,5

2


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s 6: HSG tnh Thi Bnh 2012 2013

Cu 1: Cho 300 ml dung dch Ba(OH)2 0,1M vo 250 ml dung dch Al2(SO4)3x(M) thu c 8,55 gam kt ta.Thm tip 400 ml dung dch Ba(OH)2 0,1M vo hn hp phn ng th lng kt ta thu c l 18,8475 gam. Gitr ca x l

A. 0,06. B. 0,09. C. 0,12. D. 0,1.

Cu 2: Cho Fe tc dng ht vi dung dch H2SO4c nng thu c kh SO2 (sn phm kh duy nht) v 8,28 gammui. Bit s mol Fe bng 37,5% s mol H2SO4 phn ng. Khi lng Fe ~ tham gia phn ng lA. 1,68 gam. B. 1,12 gam. C. 1,08 gam. D. 2,52 gam.

Cu 3: Cho 0,1 mol cht X (C2H8O3N2) tc dng vi dung dch cha 0,2 mol NaOH un nng thu c cht khlm xanh giy qu tm tm t v dung dch Y. C cn dung dch Y c m gam cht rn khan. Gi tr ca ml

A. 5,7. B. 12,5. C. 15,5. D. 21,8.Cu 4: Cho 2,16 gam hn hp gm Al v Mg tan ht trong dung dch axit HNO3lo~ng, un nng nh to ra dungdch X v{ 448 ml (o 354,90 K v 988 mmHg) hn hp kh Y kh gm 2 kh khng m{u, khng i mutrong khng kh. T khi ca Y so vi oxi bng 0,716 ln t khi ca kh cacbonic so vi nit. L{m khan X mt

cch cn thn thu c m gam cht rn Z, nung Z n khi lng khng i thu c 3,84 gam cht rn T.Gi tr ca m lA. 15,18. B. 17,92. C. 16,68. D. 15,48.

Cu 5: Oxi ha 4,6 gam ancol etylic bng O2iu kin thch hp thu c 6,6 gam hn hp X gm anehit,axit, ancol d v{ nc. Hn hp X tc dng vi natri d sinh ra 1,68 lt H2(ktc). Hiu sut ca phn ngchuyn ha ancol th{nh anehit l{

A. 75%. B. 50%. C. 33%. D. 25%.Cu 6: Hon h p X gom a mol Fe, b mol FeCO3 va c mol FeS2. Cho X vao bnh dung tch khong oi ch a khongkh (d), nung en khi cac phan ng xay ra hoan toan, sau o a ve nhie t o ban au thay ap suat trongbnh bang ap suat tr c khi nung. Quan he cu a a, b, c la

A. a = b+c. B. 4a+4c=3b. C. b=c+a. D. a+c=2b.Cu 7: ho tan ht mt mu Al trong dung dch axit HCl 250C cn 36 pht. Cng mu Al tan ht trongdung dch axit ni trn 450C trong 4 pht. Hi ho tan ht mu Al trong dung dch axit ni trn 600C th cn thi gian bao nhiu giy?

A. 45,465 giy. B. 56,342 giy. C. 46,188 giy. D. 38,541 giy.Cu 8: Cho cc pht biu sau :

(1) Trong hp cht vi oxi, nit c cng ha tr cao nht bng V.(2) Trong cc hp cht, flo lun c s oxi ha bng -1.(3) Lu hunh trong hp cht vi kim loi lun c s oxi ha l -2.(4) Trong hp cht, s oxi ha ca nguyn t lun khc khng.

(5) Trong hp cht, mt nguyn t c th c nhiu mc s oxi ha khc nhau.(6) Trong mt chu k, theo chiu tng in tch ht nhn, bn knh nguyn t ca cc nguyn ttng dn.S pht biu ng lA. 3. B. 5. C. 2. D. 4.

Cu 9: Hp cht hu c C4H7O2Cl (X), khi thy ph}n trong mi trng kim c cc sn phm, trong c hai chtc khnng phn ng tr|ng gng. Cng thc cu to ng ca (X) l

A. HCOO-CH2-CHCl-CH3. B. CH3COO-CH2-CH2Cl. C. HCOOCHCl-CH2-CH3. D. ClCH2COO-CH2-CH3.Cu 10: Cho cc phn ng sau:

(1) dung dch Na2CO3 + dung dch H2SO4. (2) dung dch Na2CO3 + dung dch FeCl3.(3) dung dch Na2CO3 + dung dch CaCl2. (4) dung dch NaHCO3 + dung dch Ba(OH)2.

(5) dung dch (NH4)2SO4 + dung dch Ba(OH)2. (6) dung dch Na2S + dung dch AlCl3.S phn ng to ng thi c kt ta v kh bay ra lA 3 B 6 C 4 D 5


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Cu 12: Thc hin tng hp tetrapeptit t 3,0 mol glyxin; 4,0 mol alanin v 6,0 mol valin. Bit phn ng xyra hon ton. Khi

40 de thi thu dai hoc cac truong

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