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cng n tp Ha 11 (c b n v nng cao)

CNG KIM TRA HC K IIT : HA HC NM HC 2011-2012

MN: HA HC K111. Hirocacbon X c khi lng mol 130 < MX < 170. t chy hon ton m gam X thu c m gam H2O. Cng thc

phn t ca X l:A. C10H20. B. C12H24. C. C10H18. D. C12H18.

2. t chy hon ton mt th tch metan cn bao nhiu th tch khng kh (o cng iu kin, oxi chim khng kh)?A. 1. B. 2. C. 5. D. 10.

3. Trn 5 cm3 hirocacbon th tch kh vi 30 cm3 oxi ly d vo mt bnh kn. t chy hon ton v lm l phm thu c 20 cm3 kh. Cho ton b kh i qua dung dch KOH d ch cn li 5 cm3 kh. Cc th tch kh ocng iu kin. Cng thc phn t ca hirocacbon l:A. C3H8. B. C4H10. C. C2H6. D. CH4.

4. C mt hn hp kh X gm hirocacbon A v CO2. Cho 0,5 lt X vo 2,5 lt O2 d vo mt kh nhin k. Bt tiain thu c 3,4 lt kh v hi, sau lm lnh ch cn 1,8 lt ri cho qua dung dch KOH d ch cn th tch kh o cng iu kin. Cng thc phn t ca A l:A. C2H6. B. C3H6. C. C4H10. D. C3H8.

5. t chy hon ton mt xicloankan A thu c hn hp kh v hi. Dn ton b hn hp qua bnhdch Ba(OH)2 d thy to ra 9,85 gam kt ta. Khi lng dung dch sau phn ng tng hay gim bao nA. gim 6,75g. B. tng 6,75g. C. gim 3,10g. D. tng 3,10g.

6. t chy hon ton hirocacbon X bng mt lng oxi va . Sn phm kh l hi c dn qua bnh2SO4c th th tch gim hn mt na. X thuc dy ng dng:A. ankan. B. anken. C. ankin. D. xicloankan.

7. Ba hirocacbon X, Y, Z k tip nhau trong dy ng ng, trong phn t khi ca Z gp i ca X. mol cht Y, sn phm kh hp th ton b vo dung dch Ca(OH)2 d, thu c s g kt ta l:A. 40. B. 10. C. 20. D. 30.

8. t chy hon ton m gam hn hp kh gm C2H2, C2H4, v C2H6 thu c 3,52 gam CO2 v 1,44 gam H2O. Gi trca m l:A. 1,21. B. 1,12. C. 4,96. D. 9,46.

9. Cho 22,4 lt hn hp kh gm C3H6, C3H8 v H2 vo mt bnh c xc tc Ni/t0 thu c hn hp kh Y. Bit t kca X so vi Y bng 0,7. S mol H2 tham gia phn ng cng l:A. 0,7. B. 0,5. C. 0,3. D. 0,1.

10.Cho 19,04 lt hn hp kh A (ktc) gm hiro v 2 anken l ng ng k tip i qua bt Ni un nng thhp kh B (H = 100%). Gi s tc phn ng ca 2 anken l nh nhau. Nu t chy hn hp43,56 gam CO2 v 20,43 gam H2O. Cng thc phn t ca 2 anken l:A. C2H4 v C3H6. B. C3H6 v C4H8. C. C4H8 v C5H10. D. C3H6 v C4H10.

11. Crackinh C4H10 thu c hn hp ch gm 5 hirocacbon c khi lng mol trung bnh bng 36,25 g/sut phn ng crackinh l:A. 62,5%. B. 80%. C. 60%. D. 65,2%.

12.Crackinh 8,8 gam C3H8 thu c hn hp kh X gm CH4, C2H4, C3H6, C3H8 v H2. Tnh khi lng mol trung bca X bit c 90% C3H8 b nhit phn.A. 21,16. B. 22,16. C. 23,16. D. 24,16.

13.Cho hn hp 2 anken li qua bnh nc brom d thy khi lng trung bnh nc brom tng 8 gam. Tanken l:A. 0,05. B. 0,1. C. 0,025. D. khng xc nh

14. Hn hp X gm mt ankan v mt anken c t l s mol l 1: 1. S nguyn t cacbon ca ankan gnguyn t ca anken. Ly a gam X th lm mt mu va dung dch cha 0,1 mol Br 2. t chy hon ton a gaX thu c 0,6 mol CO2. Cng thc phn t ca chng l:A. C2H4 v C4H10. B. C3H6 v C6H14. C. C4H8 v C8H18. D. C5H10 v C10H22.

15.Cho hn hp X gm 0,02 mol C2H2 v 0,03 mol H2 vo mt bnh kn c mt xc tc Ni ri un nng thu hp kh Y. Cho Y li t t vo bnh nc brom d thy c 448 ml kh Z (ktc) bay ra. Bit t khi ca2l 4,5. Khi lng bnh brom tng sau phn ng l:A. 0,40g. B. 0,58g. C. 0,62g. D. 0,84g.

16.Trn 0,8 mol hn hp kh X gm C2H4 v C3H6 theo t l s mol 5 : 3 vi 2 gam H2 vo mt bnh c dung tch V ktc. Cho vo bnh mt t bt Ni, nung nng mt thi gian sau a bnh v 00C th thy p sut trong bnh7/9 atm v thu c hn hp kh Z. Bit phn trm mi anken tc dng vi hiro l nh nhau. Tnh phanken phn ng?

Dng cho HS thi hc k II v thi li Nm hc 2011 2012 Trang1

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cng n tp Ha 11 (c b n v nng cao) A. 40%. B. 50%. C. 60%. D. 75%.

17. Np hn hp kh X gm hirocacbon A v O2 theo t l th tch 1: 4 vo kh nhin k. Sau khi cho n v nghi nc ri a v nhit ban u v thu c hn hp kh Y c p sut gim ch cn mt na sX. Cng thc phn t ca A lA. C2H4. B. C2H6. C. C4H10. D. C3H8.

18. t chy ht 11,2 lt kh X gm 2 hirocacbon thuc cng dy ng ng cn 40,32 lt O2 v to ra 26,88 lt CO2.Thm vo 22,4 lt hn hp X mt hirocacbon Y v t chy hon ton thu c 60,48 lt kh CO2 v 50,4 gamH2O. Cc th tch o ktc. Cng thc phn t ca Y l:A. C3H6. B. C4H8. C. C3H8. D. C4H10.

19. Nhit phn V lt CH4 (ktc) 15000

C sau lm lnh nhanh thu c hn hp kh X. t chy hon ton6,72 lt O2 (ktc). Bit t khi ca X so vi H2 bng 4,8. Tnh hiu sut phn ng nhit phn:A. 33,33%. B. 66,67%. C. 50%. D. 75%.

20.t chy hon ton hn hp kh gm 2 hirocacbon cng dy ng ng. Cho ton b sn phm chy bnh (1) cha dung dch Ba(OH)2 d v bnh (2) cha H2SO4 m c d mc ni tip. Kt qu khi lng tng thm 6,12 gam v bnh (2) tng thm 0,62 gam. Trong bnh (1) thu c 19,7 gam kt ta. Cng thca 2 hirocacbon l:A. C2H4 v C3H6. B. C2H6 v C3H8.C. C3H6 v C4H8. D. C3H8 v C4H10.

21.t chy hon ton hn hp X gm hai ankin thu c 13,2 gam CO2 v 3,6 gam H2O. Khi lng Br 2 cng ti avo hn hp X l:A. 8g. B. 16g. C. 32g. D. 64g.

22. t chy hon ton hn hp gm C2H6 v C2H2 thu c CO2 v H2O c t l s mol 1: 1. Phn trm th tchkh trong hn hp ban u l:A. 30% v 70%. B. 50% v 50%. C. 70% v 30%. D. 25% v 75%.

23.t chy hon ton 8,96 lt hn hp hai anken k tip thu c m gam H2O v (m+39)gam CO2. Hai anken l:A. C2H4 v C3H6. B. C4H8 v C5H10.C. C4H8 v C3H6. D. C5H10 v C6H12.

24.t chy ht hn hp X gm 2 hirocacbon k tip nhau trong dy ng ng, hp th ht sn phmng dung dch nc vi d thu c 25 gam kt ta v khi lng dung dch nc vi gim 7,7 gam phn t ca 2 hirocacbon trong X l:A. CH4 v C2H6. B. C2H6 v C3H8. C. C3H8 v C4H10. D. C2H4 v C3H6.

25. Hn hp X gm 1 ankan v 1 anken c cng s nguyn t cacbon trong phn t v c cng s mol. Bhn hp X lm mt mu va 80 gam dung dch 20% Br 2 trong CCl4. t chy hon ton m gam hn hp c 13,44 lt CO

2(ktc). Cng thc phn t ca ankan v anken trong X l:

A. C2H6 v C2H4. B. C3H8 v C3H6.C. C4H10 v C4H8. D. C5H12 v C5H10.

26. t chy hon ton hn hp X gm 2 hirocacbon cng dy ng ng. Hp th hon ton sn phmdung dch Ba(OH)2 0,5M thu c kt ta v khi lng dung dch tng 1,02 gam. Cho Ba(OH)2 d vo dung dchli thu c mt kt ta na v tng 2 ln kt ta l 15,76 gam. Dy ng ng ca X l:A. ankan. B. anken. C. xicloanken. D. ankin.

27. t chy hn hp 3 anken thu c 4,4 gam CO2. Nu dn ton b sn phm chy vo bnh ng dung dcvi trong d th khi lng bnh s tng thm l:A. 4,8g. B. 5,2g. C. 6,2g. D. 8,4g.

28.t chy hon ton mt hirocacbon X ri hp th va ton b sn phm chy vo bnh ng 0,15 2tan trong nc. Kt thc th nghim lc tch c 10 gam kt ta v thy khi lng dung dch thu ng tng thm 6 gam so vi khi lng dung dch trc phn ng. Cng thc phn t ca X l:A. C2H6. B. C2H4. C. CH4. D. C2H2.

29.Hn hp X gm mt anken A, mt akan B v H2. Ly 392 ml hn hp X cho i qua ng cha Ni un nng. ra khi ng chim th tch 280 ml v ch gm 2 ankan. T khi ca hn hp ny so vi khng kh bnth tch kh o cng iu kin. Cng thc phn t ca A v B l:A. C2H4 v CH4. B. C3H3 v C2H6. C. C3H6 v CH4. D. C4H8 v C3H8.

30.t chy hn hp gm mt ankan v mt anken thu c a mol H2O v b mol CO2. T s T = a/b c gi tr l:A. T =1. B. T = 2. C. T < 2. D. T > 1.

31.Chia hn hp 3 hirocacbon C3H6, C4H8, C5H10 thnh 2 phn bng nhau. t chy ht phn I thu c 6,72 2(ktc). Hiro ha phn II, sn phm thu c em t chy ri cho ton b hp th vo dung dch nhn c m gam kt ta. Gi tr m l:A. 29. B. 24. C. 30. D. 32.


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cng n tp Ha 11 (c b n v nng cao) 32.Crackinh m gam butan thu c hn hp X gm CH4, C3H6, C2H4, C2H6, C4H8, H2 v C4H10 d. t chy hon to

X thu c 17,92 lt CO2 v 18 gam H2O. Gi tr m l:A. 23,2. B. 53,2. C. 11,6. D. 25,3.

33. t chy hon ton mt lng hirocacbon cn 44,8 lt khng kh (ktc). Cho sn phm chy i quaCa(OH)2 d thu c 25 gam kt ta. Cng thc phn t ca hirocacbon l:A. C5H10. B. C6H12. C. C5H12. D. C6H14.

34.t chy 100 lt kh thin nhin cha 96% CH4, 2% N2 v 2%CO2 v s mol. Tnh th tch CO2 thi vo khng khA. 94 lt. B. 98 lt. C. 96 lt. D. 100 lt.

35.Khi t 1,12 lt kh thin nhin cha CH4, N2, CO2 cn 2,128 lt O2. Cc th tch kh o cng iu kin. Phn

th tch CH4 trong kh thin nhin l:A. 93%. B. 94%. C. 95%. D. 96%.36.Hn hp A gm C3H4, C3H6, C3H8 c t khi so vi hiro bng 21. t chy hon ton 1,12 lt hn hp A (

dn ton b sn phm chy vo bnh ng nc vi d. tng khi lng ca bnh:A. 9,3g. B. 14,6g. C. 12,7g. D. 2,1g.

37.t chy hon ton mt th tch kh thin nhin gm metan, etan, propan bng oxi khng kh thu c 2(ktc) v 9,9 gam H2O. Th tch khng kh (ktc) nh nht cn dng t chy hon ton lng kh thtrn l:A. 84 lt. B. 78,4 lt. C. 56 lt. D. 70 lt.

38. Khi crackinh hon ton mt th tch ankan X thu c 3 th tch hn hp Y (cc th tch kh o cng bit t khi ca Y so vi H2 bng 12. Cng thc phn t ca X l:A. C5H12. B. C3H8. C. C4H10. D. C6H14.

39. Cho 3,36 lt (ktc) hn hp kh gm mt ankan v mt anken i qua dung dch Br 2 d ti khi phn ng hon tothy c 8 gam brom tham gia phn ng. Khi lng ca 6,72 lt (ktc) hn hp kh d l 13 gam. Cnt ca 2 hirocacbon l:A. C2H6 v C3H6. B. C3H8 v C3H6. C. C2H6 v C2H4. D. C3H8 v C2H4.

40.Oxi ha hon ton mt hirocacbon A trong ng ng bt CuO d un nng, cho sn phm kh v hi bnh (1) ng H2SO4 c v bnh (2) ng dung dch Ba(OH)2 th thy khi lng CuO gim 1,92 gam v t bnh (2) c 3,94 gam kt ta. Lc b kt ta ny v thm Ca(OH)2 d vo dung dch bnh (2) th c thm 2,97 gkt ta na. Dy ng ng ca A l:A. ankan. B. anken. C. ankin. D. aren.

41. Cho hn hp kh gm hirocacbon A v oxi ly d, trong c 10% A theo th tch vo mt k k otia la in t chy hon ton A ri cho nc ngng t 00C th p sut trong bnh gim cn 0,8 atm. Bit loxi d khng qu 50% lng oxi ban u. CTPT ca A l:A. C

2H

4. B. C

2H

6. C. C

3H

4. D. C

4H

4.

42. t chy hon ton mt hirocacbon X ri dn sn phm vo bnh ng nc vi trong thy khi lthm 2,624 gam. Lc, thu c 2 gam kt ta v dung dch Y, un si dung dch Y cho n phn ngthu c 1 gam kt ta na. Cng lng cht X trn phn ng vi clo chiu sng thu c hn hpxut monoclo. Tn gi X l:A. 3-metyl pentan. B. 2,2-imetyl propan. C. 2,3-imetyl butan. D. 2-metyl butan.

43.Khi clo ha hon ton mt ankan A thu c dn xut B cha clo. Bit khi lng mol ca B ln hn CTPT ca A l:A. CH4. B. C2H6. C. C3H8. D. C4H10.

44.Hn hp X c t khi so vi H2 l 21,2 gm propan, propen v propin. Khi t chy hon ton 0,1 mol X, tlng ca CO2 v H2O thu c l:A. 20,40g. B. 18,96g. C. 16,80g. D. 18,60g.

45.Ankan X khi t chy trong oxi nguyn cht thy th tch cc kh v hi sinh ra bng th tch cc kh thng (cc th tch o cng iu kin). CTPT ca X l:A. CH4. B. C2H6. C. C3H8. D. C4H10.

46. hiro ha hon ton mt hn hp gm etan v propan thu c mt hn hp sn phm gm 2lng mol trung bnh ca hn hp sn phm nh hn hn hp ban u l 6,55%. Phn trm th tch hn hp ban u ln lt l:A. 50% v 50%. B. 93,45% v 6,55%. C. 96,21% v 3,79%. D. 3,79% v 96

47. t chy 0,02 mol mt ankan A trong kh clo, phn ng va . Sau cho sn phm chy sc quAgNO3 d thy to ra 22,96 gam kt ta trng. CTPT ca A l cht no sau y?A. CH4. B. C2H6. C. C3H8. D. C4H10.

48.t chy hon ton mt hn hp A gm mt ankan v mt ankin thu c hn hp kh v hi. Dn h bnh ng dung dch Ba(OH)2 d thy khi lng bnh tng thm 6,2 gam v to ra 19,7 gam kt ta. Ksau yng?


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cng n tp Ha 11 (c b n v nng cao) A. Ankan v ankin c cng s nguyn t cacbon. B. Ankan v ankin c cng s nguyn t hiC. Ankan v ankin c khi lng ban u bng nhau. D. Ankan v ankin c s mol ban u bn

49. Hiro ha hon ton mt mu anken ht 448 ml H2. Cng lng anken em tc dng vi brom to thnhdn xut ibrom. Cc th tch o ktc, hiu sut phn ng t 100%. Anken cho l:A. C2H4. B. C3H6. C. C4H8. D. C5H10.

50. Cho 3,36 lt kh (ktc) CH4 vo mt bnh dung tch 10 lt cha sn 2 lt dung dch Ba(OH)2 0,0625M v thm oxcho n khi t c p sut 1,4 atm 00C. Bt tia la in t chy kh metan sau a bnh v 00C th o p sut p atm. Tnh khi lng kt ta v p sut p, gi s th tch dugn dch vn 2 lt.A. 19,7g v 0,28 atm. B. 39,4g v 0,28 atm.

C. 39,4g v 0,14 atm. D. 19,7g v 0,14 atm.51. Cho 4,96 gam hn hp A gm Ca v CaC2 tc dng ht vi nc thu c 2,24 lt hn hp kh B. Phn trlng CaC2 trong hn hp lA. 51,6%. B. 56,1%. C. 65,1%. D. 61,5%.

52. Ngi ta iu ch benzen t metan qua sn phm trung gian l C2H2. Bit hiu sut phn ng u t 60%sut phn ng sau t 70%. Nu ly 11,2 lt metan th iu ch c bao nhiu gam benzen?A. 3,27. B. 2,73. C. 7,23. D. 3,72.

53.Mt hn hp X gm ankaien A v O2 ly d (O2 chim 90% th tch) np y vo mt kh k p sut 2 atia la in, t chy ht A ri a v ngit ban u cho hi nc ngng t ht th p sut giCng thc phn t ca A l:A. C3H4. B. C4H6. C. C5H8. D. C6H10.

54.Cho 4,48 lt hn hp 2 hirocacbon thuc ankan, anken hoc ankin li t t qua 1,4 lt dung dch Br 2 0,5M. Sau kh

phn ng hon ton thy nng Br 2 gim i mt na v khi lng bnh tng thm 6,7 gam. Cng thc ca 2 hirocacbon l:A. C2H4 v C3H6. B. C2H6 v C4H8. C. C2H2 v C4H8. D. C2H82 v C4H6.

55. un nng 5,8 gam hn hp A gm C2H2 v H2 trong bnh kn vi xc tc thch hp thu c hn hp kh Bkh B qua bnh ng dung dch brom d thy khi lng bnh tng 1,2 gam v cn li hn hp kh X. ca hn hp kh X l:A. 4,6g. B. 7,0g. C. 2,3g. D. 3,5g.

56.Mt hn hp X gm C2H6, C3H6 v C4H6 c t khi so vi H2 l 18,6. t chy hon ton 4,48 lt hn hp X (sn phm chy ln lt cho qua bnh ng dung dch H2SO4 c (d) v bnh II ng dung dch KOH (d) thlng bnh I, II tng ln lt l:A. 20,8g v 26,4g. B. 21,6g v 26,4g. C. 10,8g v 22,88g. D. 10,8g v 26

57. t chy mt hirocacbon X cn 8,96 lt O2 v thu c 6,72 lt CO2. Cc th tch kh o ktc. Dy ng ca X lA. Ankan. B. Anken. C. Ankin. D. Xicloankan.

58. t chy hon ton 6,8 gam mt ankaien A thu c hn hp kh v hi gm 11,20 lt CO2 (ktc) v m(g) H2O.Dn hn hp qua bnh I ng H2SO4 c (d) v bnh II ng nc vi d. Cng thc phn t ca A, tlng bnh I v kt ta sinh ra bnh II ln lt l:A. C5H8; 7,2g v 50g. B. C5H8; 3,6g v 5,0g. C. C4H4; 7,2g v 50g. D. C4H4; 7,2g v 5,0g.

59. Dn V lt (ktc) hn hp X gm axetilen v hiro qua ng s ng bt Ni nung nng, thu c kh Ylng d AgNO3 trong dung dch NH3 thu c 12 gam kt ta. Kh i ra khi dung dch phn ng va brom v cn li kh Z. t chy hon ton kh Z thu c 2,24 lt kh CO2 (ktc) v 4,5 gam H2O. Gi tr V l:A. 5,60. B. 13,44. C. 11,2. D. 8,96.

60. Cho clo tc dng vi butan thu c hai dn xut monoclo C4H9Cl. Bit rng nguynt hiro lin kt vi ca bc II c kh nng b th cao hn 3 ln so vi nguyn t hiro lin kt vi cacbon bc I. Phn trm bc I l:A. 66,67%. B. 25%. C. 75%. D. 33,33%.

61. Mt hn hp X gm 2,24 lt C3H4 v 4,48 lt hirocacbon Y. t chy hon ton X thu c 20,16 lt CO2 v 14,4gam H2O. Cng thc phn t ca Y lA. C2H6. B. C3H6. C. C4H8. D. C3H8.

62. t chy hon ton 0,1 mol ankin thu c 0,2 mol H2O. Nu hiro ha hon ton 0,1 mol ankin ny ri thon ton th s mol H2O thu c lA. 0,2. B. 0,4. C. 0,6. D. 0,8.

63. t chy hon ton hn hp kh gm hai hirocacbon cng dy ng ng. Cho ton b sn phm chqua bnh (1) cha dung dch Ba(OH)2 d v bnh (2) cha H2SO4 m c d mc ni tip. Kt qu thlng bnh (1) tng thm 6,12 gam v bnh tng thm 0,62 gam. Trong bnh (1) thu c 19,7 gam ktthc phn t ca hai hirocacbon lA. C2H4 v C3H6. B. C2H6 v C3H8. C. C3H6 v C4H8. D. C3H8 v C4H10.


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cng n tp Ha 11 (c b n v nng cao) 64.Mt hn hp kh X o 820C, 1 atm gm anken A v H2 c t l s mol 1: 1. Cho X i qua Ni/t0 thu c hn h

Y (hiu sut h%). Bit t l khi ca Y so vi hiro bng 23,2. Cng thc phn t no ca A sau khngng?A. C4H8. B. C3H6. C. C6H12. D. C5H10.

65. Hn hp X gm C2H2 v H2 c cng s mol. Ly mt lng hn hp X cho qua cht xc tc, nung nng hp Y gm C2H4, C2H6, C2H2 v H2 d. Dn Y qua bnh nc brom d thy bnh tng 10,8 gam v thot rahn hp kh Z (ktc) c t khi so vi H2 bng 8. Th tch O2 (ktc) t chy hon ton hn hp Y trn lA. 4,48 lt. B. 26,88 lt. C. 22,4 lt. D. 33,6 lt.

66. Khi clo ha hon ton mt anken A thu c dn xut B cha clo. Bit phn t khi ca B ln hn c

Cng thc phn t ca A l:A. CH4. B. C2H6. C. C3H8. D. C4H10.67.Cho 17,92 lt hn hp kh X gm 3 hirocacbon l ankan, anken v ankin ly theo t l th tch tng

qua bnh cha dung dch AgNO3/NH3 ly d thu c 96 gam kt ta v hn hp kh Y. t chy hon thp kh Y thu c 13,44 lt CO2. Th tch cc kh o ktc. Ba hirocacbon l:A. CH4, C2H4 v C3H6. B. CH4, C2H4 v C2H2. C. C2H6, C2H4 v C2H2. D. CH4, C3H6 v C2H2.

68. Crackinh 11,6 gam C4H10 thu c hn hp X gm C4H8, C3H6, C2H4, C2H6, CH4 v C4H10 d (H=80%). t chhon ton X cn V lt khng kh ktc. Gi tr ca V l:A. 29,12. B. 116,48. C. 145,60. D. 58,24.

69.Crackinh 560 lt C4H10 (ktc) xy ra cc phn ng: C4H10 CH4 + C3H6 (1); C4H10 C2H6 + C2H4 (2); C4H10 H2+ C4H8 (3) thu c hn hp kh X c th tch 1010 lt (ktc). Th tch C4H10 cha phn ng l:A. 110 lt. B. 55 lt. C. 165 lt. D. 80 lt.

70. Crackinh hon ton mt ankan X thu c hn hp Y c th tch tng gp i (cc th tch kh o kin). Bit t khi ca Y so vi H2 l 18. Cng thc phn t ca X l:A. C3H8. B. C4H10. C. C5H12. D. Khng xc nh.

71. Cho 4,48 lt hn hp X ( ktc) gm 2 hirocacbon mch h li t t qua bnh cha 1,4 lt dung dch2 0,5M.Sau khi phn ng hon ton, s mol Br 2 gim i mt na v khi lng bnh tng thm 6,7 gam. Cng thc ca 2 hirocacbon l ( cho C=12, H=1) (Trch H-C nm 2007)A. C2H2 v C4H6. B. C2H2 v C4H8. C. C3H4 v C4H8. D. C2H2 v C3H8.

72.Ba hirocacbon X, Y, Z k tip nhau trong dy ng ng, trong khi lng phn t Z gp i kht X. t chy 0,1 mol cht Y, sn phm kh hp th hon ton vo dung dch Ca(OH)2 d, thu c s gam kt l (C=12, H=1, O=16, Ca=40) (Trch H-C nm 2007)A. 20. B. 40. C. 30. D. 10.

73. Mt hirocacbon X cng hp vi axit HCl theo t l mol 1: 1 to sn phm c thnh phn khi l45,223%. CTPT ca X l (cho C=12, H=1, Cl=35,5) (Trch H-C nm 2007)A. C3H6. B. C3H4. C. C2H4. D. C4H8.

74.Hirat ho 2 anken ch to thnh 2 ancol (ru). Hai anken l (Trch H-C nm 2007)A. 2-metylpropen v but-1-en (hoc buten-1) B. propen v but-2-en (hoch buten-2).C. eten v but-2-en (hoc buten-2) D. eten v but-1-en (hoc buten-1).

75. C 3 cht lng benzen, anilin, stiren, ng ring bit trong 3 l mt nhn. Thuc th phn bit 3 cl: (Trch H-C nm 2007)A. d/d phenolphtalein. B. nc brom . C. dung dch NaOH. D. giy qu tm

76. Khi brom ho mt ankan ch thu c mt dn xut monobrom duy nht c t khi hi i vi hiroca ankan l (cho C=12, H=1, Br=80) (Trch H-C nm 2007)A. 3,3-imetylhecxan.B. 2,2-imetylpropan. D. 2,2,3-trimetylpentan. C. isopentan.

77. un nng hn hp kh gm 0,06 mol C2H2 v 0,04 mol H2 vi xc tc Ni, sau mt thi gian thu c hn hY. Dn ton b hn hp li t t qua bnh ng dd brom (d) th cn li 0,448 lt hn hp kh Z (ktc) vi O2 l 0,5. Khi lng bnh dung dch brom tng l: ( nm 2008)A. 1,04 gam. B. 1,32 gam. C. 1,64 gam. D. 1,20 gam.

78.S ng phn hirocacbon thm ng vi cng thc phn t C8H10 l: (Trch H-C nm 2008)A. 2. B. 4. C. 3. D. 5.

79.Hn hp X c t khi so vi H2 l 21,2 gm propan, propen v propin. Khi t chy hon ton 0,1 mol X, tlng ca CO2 v H2O thu c l: (Trch H-C nm 2008)A. 20,40 gam. B. 18,60 gam. C. 18,96 gam. D. 16,80 gam.

80.Cho s chuyn ha CH4 C2H2 C2H3Cl PVC. tng hp 250 kg PVC theo s trn th cn V3 khthin nhin (ktc). Gi tr ca V l (bit CH4 chim 80% th tch kh thin nhin v hiu sut ca c qu trnh(Trch H-C nm 2008) .A. 358,4. B. 448,0. C. 286,7. D. 224,0.


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cng n tp Ha 11 (c b n v nng cao) 81. Khi crackinh ton b mt th tch ankan X thu c ba th tch hn hp Y (cc th tch kh o dn

nhit v p sut) t khi ca Y so vi H2 bng 12. Cng thc phn t ca X l: (Trch H-C nm 2008A. C6H14. B. C3H8. C. C4H10. D. C5H12.

82.Cho cc cht sau: CH2=CH-CH2-CH2-CH=CH2; CH2=CH-CH=CH-CH2-CH3;CH3-C(CH3)=CH-CH3; CH2=CH-CH2-CH=CH2. S cht c ng phn hnh hc l: (H-C nm 2008)

A. 2 B. 3. C. 1. D. 4.83.Cho iso-pentan tc dng vi Cl2 theo t l mol 1:1, s sn phm monoclo ti a thu c l: ( H-C n

A. 2. B. 3. C. 5. D. 4.84. Hirocacbon mch h X trong phn t ch cha lin kt v c hai nguyn t cacbon bc ba trong m

t chy hon ton 1 th tch X sinh ra 6 th tch CO2 ( cng iu kin nhit , p sut). Khi cho X tc dCl2 (theo t l s mol 1 : 1), s dn xut monoclo ti a sinh ra l: (Trch H-C nm 2008)A. 3. B. 4. C. 2. D. 5.

85. Ba hirocacbon X, Y, Z l ng ng k tip, khi lng phn t ca z bng 2 ln khi lng phn cht X, Y, Z thuc dy ng ng: (Trch H-C nm 2008)A. ankan. B. ankaien. C. anken. D. ankin.

86.t chy hon ton 1 lt hn hp kh gm C2H2 v hirocacbon X sinh ra 2 lt kh CO2 v 2 lt hi H2O (cc th tchkh v hi o cng iu kin nhit , p sut). Cng thc phn t ca X l: (Trch H-C nm 20A. C2H6. B. C2H4. C. CH4. D. C3H8.

87. Hn hp kh X gm anken M v ankin N c cng s nguyn t cacbon trong phn t. Hn hp X c 12,4 gam v th tch 6,72 lt (ktc). S mol, cng thc phn t ca M v N ln lt l: (Trch H-CA. 0,1 mol C2H4 v 0,2 mol C2H2. B. 0,2 mol C2H4 v 0,1 mol C2H2.

C. 0,1 mol C3H6 v 0,2 mol C3H4. D. 0,2 mol C3H6 v 0,1 mol C3H4.88. Hn hp kh X gm H2 v mt anken c kh nng cng HBr cho sn phm hu c duy nht. T khi cH2 bng 9,1. un nng X c xc tc Ni, sau khi phn ng xy ra hon ton, thu c hn hp kh Y khmu nc brom; t khi ca Y so vi H2 bng 13. CTCT ca anken l: (Trch H-C nm 2009)A. CH2=C(CH3)2. C. CH2=CH-CH2-CH3. B. CH2=CH2. D. CH3-CH=CH-CH3.

89.Dy gm cc cht u c kh nng tham gia phn ng trng hp l: (Trch H-C nm 2009)A. stiren, clobenzen, isopren, but-1-en.B. 1,2-iclopropan, vinylaxetilen, vinylbenzen; toluen.C. buta-1,3-ien; cumen, etilen, trans-but-2-en.D. 1,1,2,2-tetrafloeten, propilen, stiren, vinyl clorua.

90.Cho hn hp X gm CH4, C2H4 v C2H2. Ly 8,6 gam X tc dng ht vi dung dch brom (d) th khi l phn ng l 48 gam. Mt khc, nu cho 13,44 lt (ktc) hn hp kh X tc dng vi lng d dung dch 3 trong NH

3, thu c 36 gam kt ta. Phn trm th tch ca CH

4c trong X l: (Trch H-C nm 2009)

A. 20%. B. 50%. C. 25%. D. 40%.91.Cho hirocacbon X phn ng vi brom (trong dung dch) theo t l mol 1: 1, thu c cht hu c Y (c

Br v khi lng). Khi X phn ng vi HBr th thu c hai sn phm hu c khc nhau. Tn gi ca XH-C nm 2009)A. but-1-en. B. xiclopropan. C. but-2-en. D. propilen.

92.S ng phn ca C4H9Cl l:A. 2. B. 3. C. 4. D. 5.

93.S ng phn mch h ca C5H9Cl l:A. 7. B. 14. C. 18. D. 21.

94.S ng phn bc III ca C5H11Cl l:A. 2. B. 3. C. 4. D. 1.

95.A c 2 ng phn l dn xut monoclo bc I. Tn ca A l:A. pentan. B. 3-metylpentan. C. Isobutan. D. Butan.

96.S ng phn ca C3H5Br 3 l:A. 6. B. 3. C. 4. D. 5.

97.Phn ng no vitng?A. CH3-CH2-Cl + H2O 0t CH3-CH2-OH + HClB. CH2=CH-CH2Cl + NaOH 0t CH2=CH-CH2-OH + NaClC. CH3-C6H4-Cl + H2O 0t CH3-C6H4-OH + HClD. C6H5-Cl + NaOH C6H5-OH + NaCl.

98.un si dung dch gm C2H5Cl v KOH trong C2H5OH thu c sn phm hu c l:A. C2H5OH. B. CH2=CH2. C. C2H5OK. D. Hn hp C2H5OH, CH2=CH2.


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cng n tp Ha 11 (c b n v nng cao) 99.un si dung dch gm 1,2-ibrometan v KOH trong dung dch C2H5OH thu c sn phm hu c l:

A. CH2=CH2. B. CH2OH-CH2OH. C. CH CH. D. CH2=CH-OH.100.Cho X tc dng vi Y un nng thu c propen. X, Y l:

A. 1,2-ibrompropan v Zn. B. propyl clorua v KOH.C. Metan v etilen . D. Propyl magie bromua v H2O.

101.Cho s phn ng: Propen X n-propyl clorua. X l:A. Propan. B. Isopropyl clorua. C. Anlyl clorua. D. Vinyl clorua.

102.Cho clobenzen tc dng vi dung dch NaOH. iu kin xy ra phn ng l:A. Dung dch NaOH c. B. Dung dch NaOH long.

C. un nng 1000

C. D. un nng 3000

C, 200 atm.103.Dn xut halogen ca ankan A cha 79,2% brom trong phn t. A l:A. C2H4Br 2. B. C3H6Br 2. C. CH3Br. D. C3H4Br 2.

104.Cho s phn ng: CH CH X CH3-CHCl2. X l:A. CH2=CH2. B. CH2=CHCl. C. CHCl=CHCl. D. CH3CH2Cl.

105. Phn tch cht hu c X c dng CxHyClz thy c phn trm khi lng cc nguyn t nh sau: 51,38,38%Cl, cn li l H. Cng thc n gin nht ca X l:A. C4H8Cl2. B. C4H9Cl. C. C8H18Cl2. D. C4H7Cl.

106.X c cng thc phn t C8H8Br 2. X ch b thy phn khi un nng vi dung dch kim mnh nhit csut cao. X c s lin kt l:A. 2. B. 3. C. 4. D. 5.

107.Cho mt t dung dch AgNO3 vo ng nghim cha ankyl clorua, lc nh. Hin tng quan st c l:

A. C kt ta en. B. c kt ta trng.C. c kt ta trng nhng tan ngay khi lc. D. Khng c hin tng g.108.Cht no sau y c ng phn lp th?

A. CH2=CH-CH2Cl. B. ClCH=CH-CH3. C. CH2=CCl-CH3. D. CH3-CH=CCl2.109.Cho bt Mg vo bnh cu cha ete khan, lc u, bt Mg khng tan. Thm cht no sau y vo bnh

lc k bt Mg s tan ht?A. C2H5OH. B. C2H5Br. C. CH3-O-CH3. D. CH3-CHO.

110.un nng 0,1 mol C6H5Cl v 0,2 mol C6H5CH2Cl vi dung dch NaOH. S mol NaOH tham gia phn ng lA. 0,1 mol. B. 0,2 mol. C. 0,3 mol. D. 0,15 mol.

111.Cht no sau y l ancol bc III?A. ancol n-butylic. B. ancol sec-butylic. C. ancol iso-butylic. D. ancol tert-butylic.

112.Cp cht no sau y l ng phn?A. etilenglicol v ancol etylic. B. ancol metylic v imetyl ete.C. ancol anlylic v metyl vinyl ete. D. ancol benzylic v etyl phenyl ete.

113.C4H10O c s ng phn l:A. 6. B. 7. C. 4. D. 5.

114.Phn ng c trng ca ancol a chc lin tip l:A. Phn ng vi Na mnh lit hn ancol n chc iu kin thng.B. Tc dng vi axit to este a chc.C. Ha tan Cu(OH)2 to dung dch mu xanh da tri. D. Tt c u ng.

115.Cht no sau y l cht lng snh, nng hn nc v c v ngt?A. C12H25OH. B. C2H5OH. C. C6H5CH2OH. D. CH2OH-CHOH-CH2OH.

116.Tm pht biung:A. Cc ancol tan v hn trong nc v c th to lin kt hiro vi nc.B. Cc ancol c t 1 n 3 nguyn t C trong phn t tan v hn trong nc. Khi s nguyn t C tng lgim dn.C. Lin kt hiro gia cc phn t ancol lm cho ancol c nhit si thp hn.D. Ete c nhit si cao hn ancol cng s C.

117.Ancol no sau y tch nc to 3 anken?A. ancol n-butylic. B. ancol sec-butylic. C. ancol isobutylic. D. ancol tert-bu

118.C phn ng: R(OH)n + nNa R(ONa)n + 2n H2. Cng thc no sau y ng?

A. s nhm OH = 2 x s mol H2. B. S nhm OH = s mol H2 : s mol ancol.C. s nhm OH = 2 x s mol H2 : s mol ancol. D. s nhm OH = s mol H nguyn t.

119.Ancol X b oxi ha thnh anehit. c im cu to ca X l:A. ancol n chc no. B. ancol n chc. C. ancol bc I. D. ancol bc

120. ru l:Dng cho HS thi hc k II v thi li Nm hc 2011 2012 Trang7

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cng n tp Ha 11 (c b n v nng cao) A. phn trm th tch ru nguyn cht trong dung dch ru.B. phn trm khi lng ru nguyn cht trong dung dch ru.C. t l th tch gia ru nguyn cht v nc trong dung dch ru D. A v C ng.

121. Ha tan C2H5OH vo nc thu c 500 ml dung dch 4M. Bit khi lng ring ca ru nguy0,8g/ml. ru ca dung dch l:A. 500. B. 250 . C. 230 . D. 200.

122.Oxi ha cht no sau y bng CuO th thu c anehit fomic?A. CH3OH . B. CH4 . C. CH3Cl. D. CH2=CH2.

123.Ancol no tch nc ch thu c 3-metylbut-1-en?

A. 2-metylbutan-2-ol. B. 2-metylbutan-1-ol. C. 3-metylbutan-2-ol. D. 3-metylbutan124.t chy hon ton 1 mol ancol n chc no c 10 H trong phn t cn s mol O2 l:A. 1,5 mol. B. 4 mol. C. 6 mol. D. 3 mol.

125.Cht no sau y rt c, ch mt lng nh xm nhp vo c th cng c th gy m la, lng lgy t vong.A. ancol etylic. B. ancol metylic. C. ancol amylic. D. ancol benzyl

126.Th tch dung dch ru 200 cn pha vo 300 ml dung dch ru 500 c dung dch ru 400 l:A. 125 ml. B. 200 ml. C. 300 ml. D. 150 ml.

127.Hp cht no sau y l ancol bn?B. C 1 nhm OH lin kt vi cacbon khng no. A. C 1 nhm OH lin kt vi cacbon thmC. C 2 nhm OH cng lin kt vi 1 cacbon. D. C 1 nhm OH lin kt vi cacbon no.

128.Ancol khng no n gin nht l:

A. CH2=CH-OH. B. CH3-CH=CH-OH. C. CH2=CH-CH2OH. D. CH3OH.129.Cht no sau y ha tan Cu(OH)2.A. CH2OH-CH2-CH2OH. B. CH2OH-CHOH-CH3. C. CH3CH2CH2OH. D. CH3-CHOH-CH3.

130.Ete A c cng thc C4H8O to bi 2 ancol X v Y. Cng thc cu to ca A l:A. CH2=CH-O-CH2-CH3. B. CH3-CH=CH-O-CH3.C. CH2=C(CH3)-O-CH3. D. CH2=CH-CH2-O-CH3.

131.Cho phn ng: C2H5ONa + H2O C2H5OH + NaOH. Tm pht biukhng ph hpvi phn ng ny:B. Chng ct hn hp sau phn ng thu c ancol. A. Ancol khng tc dng vi NaOH.C. C2H5ONa b thy phn hon ton trong nc. D. Ancol c tnh axit.

132.t chy hon ton 1,38g ancol A thu c 1,344 lt kh CO2 (ktc) v 1,62g H2O. Cng thc cu to thu gn A l:A. CH3OH . B. C2H5OH. C. C2H4(OH)2. D. C3H5(OH)3.

133. t chy hon ton m gam hn hp X gm 3 ancol thu c 4,48 lt CO2

(ktc) v 5,4g H2O. Mt khc cho m

gam X tc dng vi natri thu c 2,24 lt kh (ktc). Gi tr ca m l:A. 7,56 gam. B. 8,45 gam. C. 5,4 gam. D. 6,2 gam.

134.Cho 16,6 gam mt hn hp hai ancol k tip nhau trong dy ng ng ca metanol phn ng vi Na3,36 lt H2 (ktc). Cng thc cu to thu gn ca 2 ancol l:A. CH3OH, C2H5OH. B. C2H5OH, C3H7OH. C. C3H7OH, C4H9OH. D.C4H9OH, C5H11OH.

135.CH2OH-CHOH-CH2OH c th tc dng vi tt c cc cht trong nhm no sau y:A. HCl, NaOH, Cu(OH)2, K. B. Na, HNO3, Cu(OH)2, CaCO3.C. H2SO4, Cu(OH)2, KOH, Na. D. Cu(OH)2, Na, CH3COOH, HNO3.

136.X c cc tnh cht sau: - ha tan Cu(OH)2 v 1 mol X tc dng vi Na to ra 1 mol H2. X l cht no?A. CH2OH-CHOH-CH3. B. CH2OH-CH2-CH2OH. C. CH2OH-CHOH-CH2OH. D.CH3-CH2OH.

137.un ancol A n chc vi H2SO4 c thu c cht hu c B c dB/A=1,7. Cng thc ca A l:A. C3H7OH. B. C4H9OH. C. C2H5OH. D. C5H11OH.

138.un nng hn hp metanol v etanol vi H2SO4 c 1400C. Sau mt thi gian ly ton b sn phm hu chy hon ton cn ng 0,9 mol O2. Khi lng CO2 thu c l:A. 46,2 gam. B. 42,6 gam. C. 64,2 gam. D. 26,4 gam.

139. Cho 30,4 gam hn hp etilenglicol v ancol isopropylic tc dng vi Cu(OH)2 cn ng 9,8 gam. Cho hn htrn tc dng vi Na c d thu c V lt H2 (ktc). Gi tr ca V l:A. 6,72 lt. B. 7,84 lt. C. 4,48 lt. D. 8,96 lt.

140.Cho 0,2 mol glixerol tc dng vi HNO3 d vi hiu sut 75%. Khi lng sn phm hu c thu c:A. 33,6 gam. B. 34,05 gam. C. 24,5 gam. D. 85 gam.

141.t chy hon ton hn hp cng s mol ancol n-propylic v ancol anlylic thu c 9,408 lt kh CO2 (ktc). Hnhp trn tc dng va vi a mol Br 2. Gi tr ca a l:A. 0,015. B. 0,07 . C. 0,075. D. 0,06.

142. Ancol thm n chc A c mC = 6mO. Phn trm khi lng oxi trong A l:Dng cho HS thi hc k II v thi li Nm hc 2011 2012 Trang8

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cng n tp Ha 11 (c b n v nng cao) A. 27,6%. B. 14,81%. C. 12,5%. D. 13,11%.

143.S ng phn c th c ca: C5H12O, C7H8O, C4H11 N ln lt l:A. 12, 5, 7. B. 10, 5, 8. C. 14, 5, 8. D. 13, 5, 8.

144.S phng trnh phn ng t nht cn vit iu ch cao su Buna t tinh bt l:A. 4. B. 5. C. 6. D. 7.

145.S phng trnh t nht cn vit iu ch ru benzylic t canxicacbua l:A. 8. B. 9. C. 10. D.11.

146.T vi mun iu ch cao su Buna S cn phi vit t nht bao nhiu phng trnh (mi cht v ckin k thut xem nh c )

A. 10. B. 12. C. 13. D. 11.147. T tinh bt mun iu ch nha PE, gim n (CH3COOH), thuc gy t (C2H5 O C2H5), cn phi vit t nh bao nhiu phng trnh (mi cht v c cng cc iu kin cn thit khc xem nh c ).A. 4. B. 5. C. 6. D. 7.

148. T t n (CaC2) mun iu ch ru polivinylic ta phi vit t nht bao nhiu phng trnh? Mi chcc iu kin khc xem nh c ?A. 6. B. 7. C. 8. D. 9.

149.Cho 28,2 gam hn hp 2 ru no, n chc k tip nhau trong dy ng ng tc dng ht vi Na, kh H2 (o ktc). Xc nh CTPT v % theo khi lng ca mi ru trong hn hp.A. CH3OH (48,94%), C2H5OH (51,06%) . B.C2H5OH (51,06%), C3H7OH (48,94%).C. CH3OH (51,06%), C2H5OH (48,94%) . D. C2H5OH (48,94%), C3H7OH (51,06%).

150.Cho 20 ml dung dch (X) gm ru etylic v nc tc dng vi natri d, sau phn ng thu c 0,762.

ru v nng phn trm ca ru l:(cho dH2O = 1g/ml, dC2H5OH = 0,8g/ml)A. 460,40,5%. B. 460, 54%. C. 360,40,5%. D.360,54%.151. Thc hin phn ng tch nc mt ru n chc (X) iu kin thch hp thu c cht hu c

hi ca (Y) so vi (X) bng 0,7. Xc nh CTCT ca (X), bit hiu sut t 100%.A. C2H5OH. B. C3H7OH. C. C4H9OH. D. KQK.

152. un nng mt hn hp gm 2 ru no n chc vi H2SO4 c lm xc tc 1400C thu c 21,6 gam H2O v72 gam hn hp 3 ete. Xc nh CTCT ca 2 ru trn , bit 3 ete thu c c s mol bng nhau v cxy ra hon ton.A. C2H5OH v C3H7OH. B. CH3OH v C3H7OH. C. C2H5OH v C4H9OH. D. CH3OH v C2H5OH.

153.t chy hon ton a lt mt ru no (X), ngi ta phi dng 3,5a lt O2 o cng iu kin nhit , p sutnh CTCT thu gn ca (X)A. C2H5OH. B. C3H7OH. C. C2H4(OH)2. D. C3H5(OH)3.

154. C bao nhiu ng phn ng vi CTPT C8H

10O, cc ng phn ny u c vng benzen v u phn n

vi dung dch NaOH?A. 6. B. 7. C. 8. D.9.

155. un nng 0,166 gam hn hp hai ru vi H2SO4 c lm xc tc ta thu c hn hp 2 olefin l ng tip nhau (H = 100%). Trn hai olefin vi 1,4336 lt khng kh (ktc). Sau khi t chy ht olefin v lmhi nc th hn hp kh cn li l 1,5 lt ( o 27,30C v 0,9856 atm). Tm CTPT v xc nh khi lngru bit oxi chim 20% khng khA. C2H5OH (0,044g), C3H7OH (0,122g). B. C2H5OH (0,046 g), C3H7OH (0,12 g).C. C2H5OH (0,102g), C3H7OH (0,064g). D. CH3OH (0,12 g); C2H5OH ( 0,046 g).

156. So snh tan trong nc ca benzen , phenol v etanol. Sp xp theo th t tan tng dnA. Benzen < phenol < etanol. B. Benzen < etanol < phenol.C. Phenol < benzen < etanol D. etanol < phenol < benzen.

157.S ng phn c th c ca hp cht hu c thm c CTPT C7H8O.A. 4. B. 5. C. 6. D. 8.

158. iu ch axit picric ngi ta i t 9,4 gam phenol v dng mt lng HNO3 ln hn 50% so vi lng cthit . Tnh s mol HNO3 dng v khi lng axit picric thu c ?A. 0,4 mol v 22,9 gam. B. 0,45 mol v 22,9 gam. C. 0,3 mol v 18,32 gam. D. 0,45 mol v 21,2 gam

159.S phng trnh phn ng t nht cn vit dng iu ch axit picric t kh thin nhin l:A. 6. B. 7. C. 8. D.5.

160.Cho s chuyn ho sau:CH3COONa (A) (B) (C) (D) (E) (F) 2, 4, 6 trinitrophenolTh t cc cht (D), (C), (E) lA. Benzen, phenyl clorua, phenol. B. Phenyl clorua, phenolat natri, phenol.C. Phenyl clorua, benzen, phenol. D. Phenyl clorua, benzen, phenolat natri.


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cng n tp Ha 11 (c b n v nng cao) 179.Mt cht hu c mch h M cha C, H, O v ch cha mt loi nhm chc. Khi t chy mt ln

s mol H2O gp i s mol CO2, cn khi cho M tc dng vi Na d cho s mol H2 bng s mol M phn ngl hp cht no sau y?A. C2H5OH. B. CH3COOH. C. CH3OH. D. HCOOH.

180. t chy hon ton 2,22 gam mt hp cht hu c X thu c 2,688 lt h CO2 (ktc) v 2,7 gam H2O. X phnng vi Na gii phng H2, khng phn ng vi dung dch NaOH. X c cng thc phn t no sau y:A. C2H6O. B. C4H10O. C. C3H8O. D. CH4O.

181. Cho s chuyn ha sau: X Y C6H5Cl Z axit piric (2,4,6-trinitrophenol). thc hin dy cha trn, cc cht X, Y, Z tng ng vi nhm cht no sau y:

A. C5H12, C6H6, C6H5OH. B. C8H18, C6H6, C6H5OH. C. C2H2, C6H6, C6H5OH. D. C7H8, C6H6, C6H5OH.182.Mt ancol n chc M tc dng vi HBr cho hp cht N cha C, H v 58,4% Br. Nu un nng M v2SO4 c 1700C th thu c 3 anken. Cng thc phn t ca M l:A. C6H13OH. B. C4H9OH. C. C3H7OH. D. C5H11OH.

183.Chn cung trong cc cu sau?A. Phn t ancol khng c cha vng benzen.B. Phenol l hp cht cha nhm OH lin kt trc tip vi nguyn t Csp3C. Ancol l hp cht cha nhm OH lin kt trc tip vi nguyn t Csp3.D. Lin kt C-O ancol bn hn lin kt C-O phenol.

184.Hy chn cung trong cc cu sau:A. Sn phm chnh khi monoclo ha isopentan l dn xut clo bc III.B. Sn phm chnh khi monobrom ha isopentan l dn xut brom bc III.

C. Sn phm chnh khi un si 2-clobutan vi KOH/etanol l but-1-en.D. Sn phm chnh khi chiu sng hn hp toluen v clo l p-clotoluen.185.Cu nosai trong cc cu sau:

A. Cht c cng thc phn t C2H6O l ancol etylic.B. Ancol etylic l hp cht hu c, phn t cha cc nguyn t C, H, O.C. V ancol etylic cha C, H, O nn khi t chy thu c CO2 v H2O.D. Cht c cng thc phn t C2H6O khng ch l imetyl ete.

186.Hy chn cung trong cc cu sau: Dn xut hirocacbon l:A. Hp cht cha cc nguyn t cacbon, hiro v oxi.C. Hp cht ngoi cacbon, hiro trong phn t cn cha thm cc nguyn t nh oxi, clo, nit,....D. L hp cht khi t chy to CO2, H2O.B. Hp cht u c.

187.Dy cc cht no sau y u tc dng c vi C2H

5OH:

A. CuO, HBr, KOH. B. K, HBr, CuO. C. Na, Fe, HBr. D. NaOH, Na,188. Khi un nng m1 gam ancol X vi H2SO4 c lm xc tc iu kin nhit thch hp thu c m2 gam mt

cht hu c Y. T khi ca Y so vi X l 0,7. (Bit hiu sut phn ng l 100%). X c cng thc phy:A. C2H5OH. B. C4H9OH. C. C5H11OH. D. C3H7OH.

189. Thc hin phn ng tch nc ca mt ancol n chc X iu kin thch hp, sau phn ng xyc cht hu c Y c t khi hi so vi X bng 1,7. Ancol X c cng thc phn t l:A. C3H7OH. B. C4H9OH. C. C2H5OH. D. C3H5OH.

190.un nng hn hp 2 ancol mch h vi H2SO4 c 1400C c hn hp cc ete. Ly X l mt trong cc ett chy hon ton th c t l nX : 2On : O H n 2 = 0,25 : 1,375 : 1. X c CTCT l:A. CH3CH2CH2OCH3. B. CH2=CH-CH2OCH3. C. CH3CH2OCH2-CH2CH3. D. Kt qu khc.

191.Hai cht X, Y bn, phn t cha C, H, O. Khi t mt lng bt k mi cht u thu c CO2 v H2O theo t lkhi lng O H CO mm 22 : = 44 : 27. Cng thc phn t ca X, Y l:A. C3H6O v C3H6O2. B. C2H6O v C3H6O2. C. C2H6O v C2H6O2. D. KQK.

192. Bn bnh mt nhn cha ancol etylic, ietyl ete, ancol anlylic, etan-1,2-iol. Hy chn trnh t tin hy phn bit cc cht trn:A. dng Na, dng Cu(OH)2, dng nc brom. B. dng Cu(OH)2, dng nc brom.C. dng nc brom, dng Na. D. khng xc nh c.

193.Anken no sau y khi tc dng vi nc (xc tc axit) cho ancol duy nht?A. CH2=CH-CH2-CH3. B. CH2=C(CH3)2. C. CH3-CH=CH-CH3. D. CH2=CH-CH3.

194.t chy hon ton 0,05mol ancol no M mch h cn 3,92 lt O2 (ktc) to ra 6,6g CO2. M c CTPT no sau yA. C2H4(OH)2. B. C2H5OH. C. C3H5(OH)3. D. C3H7OH.

195.Khi phn tch cht hu c X ch cha C, H, O th c mC + mH = 3,5mO. Cng thc n gin nht ca X:Dng cho HS thi hc k II v thi li Nm hc 2011 2012 Trang11

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cng n tp Ha 11 (c b n v nng cao) A. C3H8O. B. C5H10O. C. C2H4O. D. C4H8O.

196.Mt ancol no Y, khi t chy 1 mol Y cn 2,5 mol O2. Y c cng thc no sau y:A. C2H5OH. B. C3H5(OH)3. C. C2H4(OH)2. D. C3H7OH.

197.Khi t chy hon ton 0,1mol cht hu c N (CxHyO2) thu c di 35,2g CO2. Mt khc, 0,5 mol N cn 100dung dch NaOH 5M, hiu sut phn ng 100%. N l cht no sau y:A. C6H5OH. B. CH3C6H4OH. C. HOC6H4CH2OH. D. Kt qu khc.

198.X, Y l hai cht ng phn, X tc dng vi Na, cn Y th khng tc dng. Khi t 13,8g X thu c 22 v16,2g H2O. X, Y c tn ln lt l:A. ancol propylic, etyl ete. B. ancol etylic, ietyl ete.

C. ancol etylic, imetyl ete. D. khng xc nh c.199. t chy hn hp 2 ancol ng ng c s mol bng nhau, ta thu c CO2 v hi nc vi t l s mol 2COn :

O H n

2 = 2 : 3. Cng thc phn t 2 ancol ln lt l:A. CH3OH v C3H7OH. B. C2H5OH v C3H7OH. C. CH3OH v C2H5OH. D. C3H7OH v C4H9OH.

200.Ancol N tc dng vi K d cho mt th tch H2 bng th tch hi ancol N dng. Mt khc, t chy ht tch hi ancol N thu c th tch CO2 nh hn 3 ln th tch ancol (cc th tch o cng iu kin). Anancol no sau y:A. HOCH2-CH(OH)CH3. B. C2H4(OH)2. C. C3H5(OH)3. D. CH3CH2OH.

201.Hy chn cung trong cc cu sau:A. Trong thnh phn phn t phenol c nhm OH nn tc dng vi dung dch NaOH.B. Phn ng th vo nhn thm phenol d hn benzen.

C. Phenol l axit mnh hn ancol nn dung dch phenol lm i mu qu tm.D. Phenol l loi hp cht m phn t c cha nhm hiroxyl (-OH) nn tham gia phn ng este ha.202. t chy hon ton 2 ancol X, Y ng ng k tip nhau, ngi ta thy t s mol CO2 v H2O tng dn khi s

nguyn t cacbon tng dn. X, Y thuc loi ancol no sau y?A. ancol no. B. ancol khng no. C. ancol thm. D. phenol.

203.C th pha ch c bao nhiu lt ancol 200 t 500 ml ancol 450?A. 850 ml. B. 890 ml. C. 900 ml. D. 1125 ml.

204.Mt hp cht thm c cng thc phn t l C7H8O. S ng phn ca hp cht thm ny l:A. 4. B. 6. C. 5. D. 7.

205.Cho anken sau: CH3 CH(CH3) CH = CH2 l sn phm tch nc ca ancol no di y?A. 2-metyl butan-1-ol. B. 2,2-imetyl propan-1-ol. C. 2-metyl butan-2-ol. D. 3-metyl butan-1

206.S ng phn ca ancol C5H12O l:A. 6. B. 7. C. 8. D. 9.

207Mt hn hp C2H5OH v ankanol X. t chy cng s mol mi ancol th lng H2O sinh ra t ancol ny bng 5lng nc sinh ra t ancol kia. Nu un nng hn hp trn vi H2SO4 m c 1800C th ch thu c 2 ankeX c cng thc cu to no sau y?A. C3H8O. B. CH3 CH(CH3) CH2 CH2 OH.C. CH3 CH2 CH2 CH2OH. D. CH3 CH2 CH2 CH2 CH2OH.

208.Ancol n chc X c 60%C trong phn t. Cng thc phn t ca ancol l:A. C2H6O. B. C3H8O. C. C4H10O. D. A,B,C u sai.

209. Khi cho 9,2g hn hp gm ancol propylic v mt ancol X thuc dy ng ng ancol no n chc tnatri d thy c 2,24 lt kh thot ra (ktc). Cng thc phn t ca ancol X l:A. C2H5OH. B. CH3OH. C. C3H7OH. D. C4H9OH.

210.Cho 1,52g hn hp 2 ancol n chc k tip nhau, tc dng vi natri va , c 2,18g cht rn. Ct ca 2 ancol l cng thc no sau y?A. C3H7OH v C4H9OH. B. CH3OH v C2H5OH. C. C2H5OH v C3H7OH. D. C4H9OH v C5H11OH.

211. un hn hp X gm 2 ancol M v N no n chc ng ng k tip nhau vi H2SO4 c nhit thch hp c hn hp hai cht hu c c t khi so vi X bng 0,66 (cc phn ng xy ra hon ton). Hai ancCTPT l cng thc no sau y:A. CH3OH v C2H5OH. B. C2H5OH v C3H7OH. C. C3H7OH v C4H9OH. D. C4H9OH v C5H11OH.

212.M l hn hp gm 2 ancol ng phn c cng CTPT C4H10O. un X vi H2SO4 c nhit thch hp ch mt anken duy nht. Vy M gm:A. 2-metylpropan-2-ol v butan-2-ol. B. 2-metylpropan-1-ol v 2-metylpropan-2-ol.C. 2-metylpropan-2-ol v 2-metylpropan-2-ol. D. butan-2-ol v butan-1-ol.

213. un nng mt hn hp gm 1 ancol bc 1 v 1 ancol bc 3 u thuc loi ancol no, n chc vi H2SO4 c, 1400C th thu c 5,4g H2O v 26,4 gam hn hp 3 ete. Cc ete ny trong hn hp c s mol bng nhauca 2 ancol l (gi s cc phn ng xy ra hon ton)


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cng n tp Ha 11 (c b n v nng cao) A. (CH3)3COH v CH3OH. B. (CH3)3COH v C2H5OH.C. CH3OH v CH3CH2(CH3)2CHOH. D. (CH3)3COH v C3H7OH.

214.C tt c bao nhiu ng phn ancol c cng thc phn t C4H10O?A. 2. B. 3. C. 4. D.5.

215. Ngi ta nhn thy khi t chy cc ng ng ca mt loi ancol th t l s molO H CO nn 22 : tng dn khi sngun t cacbon trong ancol tng dn. Nhng ancol no sau y tha mn nhn xt trn?A. ancol no n chc. B. ancol no a chc.C. ancol khng no n chc. D. ancol no a chc v n chc.

216. C 4 ng nghim mt nhn ng ring bit tng cht sau: dung dch NH4HCO3, dung dch NaAlO2, dung dchC6H5ONa v cht lng C2H5OH. phn bit cc cht ny ta c th dng ha cht no trong nhng ha chA. NaOH. B. HCl . C. Kh CO2. D. B v C ng.

217.t chy a mol ancol no X cn 2,5a mol oxi. Bit X khng lm mt mu nc brom. CTPT ca ancol A. C2H4(OH)2. B. C3H6(OH)2. C. C3H5(OH)3. D. C3H7OH.

218. Khi un nng hn hp ancol etylic v ancol isopropylic vi H2SO4 c nhit thch hp, ngi ta c thc ti a:A. 1 ete. B. 2 ete. C. 3 ete. D. 4 ete.

219.Phn ng ca CO2 tc dng vi dung dch C6H5ONa cho C6H5OH xy ra c l do:A. Phenol c tnh axit mnh hn axit cacbonic. B. Phenol c tnh axit yu hn axit cacbonicC. Phenol c tnh oxi ha mnh hn axit cacbonic. D. Phenol c tnh oxi ha yu hn axit cacbonic.

220.Cng thc tng qut no di y l ca ancol no mch h?A. CnH2n+2-x(OH)x . B. CnH2n+2O. C. CnH2n+2-2k-x(OH)x. D. R(OH)x.

221.ng phn no sau y ca C4H9OH khi tch nc s cho 2 anken ng phn?A. ancol isobutylic. B. 2-metyl propan-2-ol. C. 2-metyl propan-1-ol. D. butan-2-ol.

222.Dung dch ancol etylic 250 c ngha:A. 100 gam dd c 25 ml ancol etylic nguyn cht. B. 100 ml dd c 25 gam ancol etylic nguyn cht.C. 200 ml nc c 50 ml ancol etylic nguyn cht. D. 200 ml dd c 50 ml ancol etylic nguyn cht.

223.Trong dy ng ng ca ancol n chc no khi mch cacbon tng ni chung:A. si tng, kh nng tan trong nc tng. B. si tng, kh nng tan trong nc gim.C. si gim, kh nng tan trong nc tng. D. si gim, kh nng tan trong nc gim.

224.Cho bit sn phm chnh ca phn ng tch nc ca (CH3)2CHCH(OH)CH3?A. 2-metyl but-1-en. B. 3-metyl but-1-en. C. 2-metyl but-2-en. D. 3-metyl but-3-en.

225.t chy hon ton hn hp gm 2 ancol no n chc X, Y k tip nhau trong dy ng ng thu 2(ktc) v 3,15g nc. X, Y c cng thc phn t l:A. CH3OH v C2H5OH. B. C2H5OH v C3H7OH. C. C3H7OH v C4H9OH. D. C4H9OH v C5H11OH.

226.t chy mt ancol X ta thu c hn hp sn phm chy trong O H CO nn 22 < .Kt lun no sau ng?A. X l ankanol. B. X l ancol 3 ln ancol.C. X l ankaiol. D. X l ancol no n chc hoc a chc.

227. Dung dch X gm ancol etylic v nc. Cho 20,2g X tc dng vi Na d thy thot ra 5,6 lt H2 ( ktc) (Dru=0,8g/ml). ancol ca dung dch X l:A. 81,730. B. 92,740 C. 80,730 D. 920.

228.t chy hon ton 60 ml ancol etylic cha r ancol. Cho ton b sn phm sinh ra vo nc vi thu c 167 gam kt ta, bit Dru= 0,8g/ml. Vy ancol c gi tr no sau y?A. 820. B. 850 . C. 800 . D. 950.

229.M l ancol bc II, cng thc phn t l C6H14O. un M vi H2SO4 c 1700C ch to mt anken duy nht. Tca M l:A. 1,2,3-trimetylpropan-1-ol. B. 2,2-imetylbutan-3-ol.C. 3,3-imetylbutan-2-ol. D. 2,3-imetylbutan-3-ol.

230. Cht X c CTPT C8H10O. Nu cho cht X tc dng vi dung dch NaOH to thnh mui v nc th nhiu ng phn l dn xut ca benzen?A. 3. B. 6. C. 9. D. 10.

231.un nng hn hp hai 2 ancol ng ng km nhau 2 nhm CH2 vi H2SO4 c 1700C c 2 cht th kVy cng thc phn t 2 ancol l:A. CH3OH v C3H7OH. B. C2H6O v C4H10O.C. C3H7OH v C5H11OH. D. C2H4O v C4H8O.

232. Ba ancol X, Y, Z khng phi l ng phn ca nhau. t chy mi ancol u sinh ra CO2 v H2O theo t l moO H CO

nn22

: = 3:4. CTCT ca 3 ancol l:


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cng n tp Ha 11 (c b n v nng cao) A. C3H7OH, CH3CH(OH)CH2OH, C3H5(OH)3. B. CH3OH, C2H5OH, C3H7OH.C. C3H7OH, C3H5OH, CH3CH(OH)CH2(OH). D. A, B, C sai.

233.Cho cc cht:X: HO CH2 CH2 OH Y: CH2(OH) CH2 CH2OH.Z: HO CH2 CH(OH) CH2OH T: CH3 CH2 O CH3.S lng cht ha tan c Cu(OH)2 nhit phng l:A. 1. B. 2. C. 3. D. 4.

234.Cc ancol no n chc tc dng vi CuO nung nng to thnh xeton l:A. ancol bc 1. B. ancol bc 2.

C. ancol bc 3. D. ancol bc 1 v ancol bc 2.235.Ancol no di y kh b oxi ha nht:A. 2-metyl butan-2-ol. B. 3 metyl butan-2-ol.C. 3-metyl butan-1-ol. D. 2,2-imetyl propan-1-ol.

236.Cho 11 gam hn hp 2 ancol no n chc k tip nhau trong dy ng dng tc dng ht vi Na d c2(ktc). Hai ancol l:A. C2H5OH v C3H7OH. B. CH3OH v C2H5OH.C. C3H7OH v C4H9OH. D. C4H9OH v C5H11OH.

237.Mt dung dch cha 6,1 gam cht X (ng ng ca phenol n chc), cho dung dch ny tc dng v(d) thu c 17,95 gam hp cht cha 3 nguyn t brom trong phn t. CTPT ca X l:A. C2H5C6H4OH hoc (CH3)2C6H3OH. B. CH3C6H4OH.C. (CH3)2C6H3OH. D. C2H5C6H4OH.

238.Hp cht no di y c tnh axit mnh nht?A. O2 N C6H4 OH . B. CH3 C6H4 OH.C. CH3O C6H4 OH . D. Cl C6H4 OH.

239.t chy mt ancol a chc X ta thu c H2O v CO2 c t l s mol O H CO nn 22 : = 2 : 3. CTPT ca X?A. C2H6O2 . B. C3H8O2. C. C4H10O2. D. C3H5(OH)3.

240.Pht biu no sau yng:(1): Phenol l axit mnh hn ancol v phn ng c vi dung dch brom.(2): dung dch phenol lm i mu qu tm.(3): Tnh axit ca phenol yu hn axit cacbonic v b axit cacbonic y khi phenolat.(4): Phenol c tnh axit mnh hn ancol l do nh hng qua li gia nhm phenyl v nhm hiroxO H tr nn phn cc hn lm cho nguyn t H linh ng hn.A, 1, 2, 3. B. 3, 4. C. 2, 3. D. 2, 3,4.

241.Cho 0,05 mol ancol X phn ng ht vi Na d thu c 1,12 lt H2 (ktc). S nhm chc OH ca ancol X lA. 4. B. 1. C. 2. D. 3.242.C 3 bnh ng 3 cht C2H5OH, CH3OH, CH3COOH. phn bit cc cht ny ta c th dng mt ha c

trong cc ha cht sau?A. H2SO4, nhit . B. qu tm. C. Na2CO3. D. axit HCl.

243.t chy hon ton 1 mol ancol no X cn 3,5 mol oxi. X c cng thc phn t l:A. C2H4(OH)2. B. C3H6(OH)2 . C. C3H5(OH)3. D. C2H5OH.

244.t chy a gam hn hp 2 ancol X, Y cng dy ng ng vi ancol metylic thu c 35,2 gam CO2 v 19,8 gamH2O. Khi lng a l gi tr no sau y?A. 18,6 gam. B. 17,6 gam. C. 16,6 gam. D. 17,8 gam.

245.Cc cu sau, cu nosai?A. Ru etylic l hp cht hu c, phn t c cha cc nguyn t C, H, O.B. Ru etylic c CTPT l C2H6O. C. Cht c CTPT C2H6O ch l ru etylic.D. Do ru etylic c cha C, H, nn khi t chy ru thu c CO2 v H2O.

246.S ng phn ca ru C3H7OH l:A. 2. B. 3. C. 4. D. 5.

247.S ng phn ru ca C4H9OH l:A. 2. B. 3. C. 4. D. 5.

248.Khi lng kim loi Na cn phi ly tc dng vi 80 gam C2H5OH l:A. 25 gam. B. 35 gam. C. 40 gam. D. 45 gam.

249.t chy mt lng ru A thu c 4,4 gam CO2 v 3,6 gam H2O. CTPT ca ru l:A. CH3OH . B. C2H5OH. C. C3H7OH. D. C4H9OH.

250.Cho Na phn ng hon ton vi 18,8 gam hn hp 2 ru k tip nhau trong dy ng ng ca rsinh ra 5,6 lt H2 (ktc). CTPT ca 2 ru l:


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cng n tp Ha 11 (c b n v nng cao) A. CH3OH, C2H5OH. B. C2H5OH, C3H7OH.C. C3H7OH, C4H9OH. D.C4H9OH, C5H11OH.

251.Trong dung dch ru 94% (theo khi lng ). T l s mol ru : nc l 43 : 7. Ru X c CTPT lA. CH3OH . B. C2H5OH. C. C3H7OH. D. C4H9OH.

252.Mt ru n chc A tc dng vi HBr cho hp cht hu c B c cha C, H, Br, trong Br chimlng. CTPT ca ru l:A. CH3OH . B. C2H5OH. C. C3H7OH. D. C4H9OH.

253.un nng 132,8 gam hn hp ru a chc vi H2SO4 c 1400C thu c 111,2g hn hp 6 ete c s mol bnhau. S mol mi ete l:

A. 0,4 mol. B. 0,2 mol. C. 0,8 mol. D. 0,5 mol.254.Cho hn hp gm 1,6 gam ru A v 2,3 gam ru B l 2 ru no n chc k tip nhau trong dy dng vi Na d c 1,12 lt H2 (ktc). CTPT ca 2 ru l:A. CH3OH, C2H5OH. B. C2H5OH, C3H7OH. C. C3H7OH, C4H9OH. D. Kt qu khc.

255.Chia a gam ru etylic thnh 2 phn bng nhau:- Phn 1: em un nng vi H2SO4 c 1800C thu c kh etilen, t chy hon ton lng etilen ny thu1,8 gam H2O.- Phn 2: em t chy hon ton, th tch kh CO2 (ktc) thu c l:A. 1,12 lt. B. 2,24 lt. C. 3,36 lt. D. 4,48 lt.

256.un nng a gam hn hp gm 2 ru no n chc vi H2SO4 c 1400C thu c 21,6g nc v 72g hn hete. Gi tr ca a l:A. 91,6g. B. 93,6g. C. 95,8g. D. 96,3g.

257.C cc ru: CH3OH, C2H5OH, C3H7OH. Dng cht no trong s cc cht cho di y phn bit cc rA. Kim loi Na. B. H2SO4 c, t0. C. CuO, t0. D. Cu(OH)2, t0.258.un hn hp 5 ru n chc vi H2SO4 c 1400C, s ete thu c l:

A. 10. B. 12. C. 15. D. 17.259.Cho natri phn ng hon ton vi 18,8g hn hp hai ru k tip nhau trong dy ng ng ca r

ra 5,6 lt H2 (ktc). CTPT ca 2 ru l:A. CH3OH, C2H5OH. B. C2H5OH, C3H7OH. C. C3H7OH, C4H9OH. D.C4H9OH, C5H11OH.

260.Pht biu no sau ysai?A. Phenol c tnh axit mnh hn etanol v nhn benzen ht e ca nhm OH bng hiu ng lin hp, tr C2H5 li y e ca nhm OH.B. Phenol c tnh axit mnh hn etanol th hin phn ng phenol tc dng vi dung dch NaOH cn2H5OH thkhng.C. Tnh axit ca phenol yu hn H

2CO

3v sc CO

2vo dung dch C

6H

5ONa ta s thu c C

6H

5OH

.

D. Phenol trong H2O cho mi trng axit v lm qu tm ha .261.Trong phng th nghim, ngi ta thng dng phng php no sau y iu ch ru etylic?

A. Cho glucoz ln men ru. B. Thy phn dn xut halogen trong mi(-OC. Cho C2H4 tc dng vi dd H2SO4 long, nng. D.Cho CH3CHO hp H2 c xc tc Ni, un nng

262.ng dng no sau y khng phi ca ru etylic?A. l nguyn liu sn xut cht do. B. dng lm dung mi hu c.D. dng sn xut mt s cht hu c chng hn nh axit axetic C. dng lm nhin liu.

263.Phenol khng c dng trong ngnh cng nghip no?A. cht do. B. dc phm. C. cao su. D. t si.

264.Cht no l dn xut halogen ca hirocacbon?A. Cl-CH2-COOH. B. C6H5-CH2-Cl. C. CH3-CH2-Mg-Br. D. CH3-CO-Cl.

265.Cht nokhngphi l dn xut halogen ca hirocacbon?A. CH2=CH-CH2Br. B. ClBrCH-CF3. C. Cl2CH-CF2-O-CH3 . D. C6H6Cl6.

266.Cng thc phn t chung ca ru lA. CnH2n+2O. B. CnH2nO. C. CnH2n-2O. D. CnH2n+2-2aOz.

267.Cht hu c no sau y l cht lng iu kin thng?A. CH3Cl. B. CH4. C. CH3 O CH3. D. C2H5OH.

268.Nguyn nhn no sau y lm cho phenol tc dng d dng vi dung dch nc brom?A. ch do nhm OH ht electron. B. ch do nhn benzen ht electron.C. ch do nhn benzen y electron.D. do nhm OH y electron vo nhn benzen v nhn benzen ht electron lm tng mt electron 0- v p-.

269.Cho 3 cht sau: (1) CH3 CH2 OH (2) C6H5 OH (3) HO C6H4 NO2.Dng cho HS thi hc k II v thi li Nm hc 2011 2012 Trang15

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cng n tp Ha 11 (c b n v nng cao) Nhn xt no sau ykhng ng?A. C ba cht u c H linh ng. C. Cht (3) c H linh ng nht.B. C 3 cht u phn ng vi baz iu kin thng.D. Th t linh ng ca H c sp xp theo chiu tng dn 1

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cng n tp Ha 11 (c b n v nng cao) 287.Cho cc cht sau:

(I) CH3CH2OH. (II) CH3CH2CH2OH. (III) CH3CH2CH(OH)CH3. (IV) CH3OH.Dy no sau y sp xp ng theo th t tan tng dn?A. (I) < (II) < (III) < (IV). B. (IV) < (I) < (II) < (III).C. (II) < (III) < (I) < (IV). D. (III) < (II) < (I) < (IV).

288.Cho phn ng sau: CH3CCl3 + NaOH d (X) + NaCl + H2O. CTCT ph hp ca X l:A. CH3CH(OH)2. B. CH3CHO. C. CH3COOH. D. CH3CHCl(OH).

289.C4H8Cl2 (X) + NaOH Y 2)(OH Cu dung dch xanh lam. CTCT ph hp ca X l:A. CH2ClCH2CH2CH2Cl. B. CH3CHClCH2CH2Cl.C. CH3CH2CHClCH2Cl. D. CH3CH(CH2Cl)2.290.H s cn bng ng ca phn ng no sau y l phng n no?

C2H5CH2OH + KMnO4 + H2SO4 C2H5COOH + MnSO4 + K 2SO4 + H2O.A. 4,5,7,4,5,12. B. 5,4,4,5,4,2,9. C. 5,4,8,5,4,2,13. D. 5,4,6,5,4,2,1

291.Sn phm ca phn ng sau y thuc phng n no?CH2 = CHCH2OH + KMnO4 + H2SO4

A. CH2(OH)CH(OH)CH2OH, MnSO4, K 2SO4, H2O. B. CO2, HOOC COOH, MnO2, K 2SO4, H2O.C. CH2(OH)CH(OH)CH2OH, MnO2, K 2SO4, H2O. D. CO2, HOOC COOH, MnSO4, K 2SO4, H2O.

292.Sn phm ca phn ng ng sau y l cht no? CH3CH(OH)CH(OH)CH3 >00

42 170,, t SO H .A. CH3CH(OH)CH=CH2 . B. CH3COCH(OH)CH3.C. CH2 = CH CH = CH2. D. CH3CH = C(OH)CH3.

293.Ru no sau y khi tch nc ch thu c sn phm chnh l pent-2-en?A. pentanol-2. B. pentanol-3. C. pentanol-1. D. C A v B.294.Sn phm chnh ca phn ng monoclo ha isopentan l cht no di y?

A. 1-clo-3-metyl butan. B. 2-clo-3-metyl butan.C. 2-clo-2-metyl butan. D. 1-clo-2-metyl-butan.

295.Ba ru A, B, C l 3 ng phn ca C4H10O. C CTCT tng ng:(A) CH3CH2CH2CH2OH. (B) CH3CH2CH(OH)CH3. (C) (CH3)3COH. phn bit A, B, C c th dng thuc th no sau y?A. Na. B. H2SO4 (), t0 > 1700C.C. dd KMnO4. D. C A, B, C.

296.Cho 1 lt cn 950 tc dng vi Na d, Bit rng ru nguyn cht c d = 0,8g/ml. Th tch H2 to ra ktc l:A. 43,23 lt. B. 37 lt. C. 18,5 lt. D. 216,15 lt.

297.Tch nc hn hp 3 ru n chc iu kin thch hp th thu c bao nhiu ete:A. 3. B. 6. C. 9. D. 12.

298.Thc hin phn ng tch nc mt ru n chc X iu kin thch hp sau khi phn ng xy rac cht hu c Y c t khi i vi X l 37/23. CTPT ca X l:A. CH3OH . B. C3H7OH. C. C4H9OH. D. C2H5OH.

299.Chia m gam hn hp X gm 2 ru A v B thnh 2 phn bng nhau:Phn 1 cho tc dng vi Na d thu c 1,68 lt H2 (ktc)Phn 2 t chy hon ton thu c 9,9 gam CO2 v 6,75 gam H2O. Gi tr ca m l:A. 6,625 gam. B. 12,45 gam. C. 9,3375 gam. D. 11,7 gam.

300.Hn hp X gm 2 ru A, B c cng s nhm chc OH. Chia X thnh 2 phn bng nhau:Phn 1 cho tc dng vi Na d thu c 2,24 lt H2 (ktc).Phn 2 t chy hon ton thu c 11 gam CO2 v 6,3 gam H2O. Bit s nguyn t C trong ru 3. CTPT caA, B l:A. C2H5OH, C3H7OH. B. C2H4(OH)2 v C3H6(OH)2.C. CH3OH v C2H5OH. D. CH3OH v C3H7OH.

301.Hp cht hu c X cha cc nguyn t C, H, O. Khi ha hi 0,93 gam X thu c th tch hi ng bca 0,48 gam O2 o cng iu kin t, p. Mt khc, cng 0,93 gam X tc dng ht vi Na to ra 336 ml2 (ktc).CTCT ca X l:A. C2H4(OH)2. B. C4H8(OH)2 . C. C3H6(OH)2 . D. C3H5(OH)3.

302. Phn ng: C6H5ONa + CO2 + H2O C6H5OH + NaHCO3 to ra NaHCO3 m khng to ra mui Na2CO3 v l dono sau y?A. nu sinh ra Na2CO3 th Na2CO3 s phn ng vi CO2 to ra mui NaHCO3.B. tnh axit H2CO3 > C6H5OH > 3 HCO .


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cng n tp Ha 11 (c b n v nng cao) C. nu sinh ra th Na2CO3 s phn ng vi C6H5OH to ra NaHCO3 v C6H5ONa. D. C A,B,C.

303.Trong cc gc sau: -COOH, -NH2, -OCH3, -NO2, -CN, -CHO. Cc gc lm gim tnh axit ca phenol:A. OCH3, -NH2, -COOH. B. OCH3, -NH2.C. CN, -OCH3, -NH2. D. NH2, -CHO.

304.Cho cc cht sau:(1) phenol (2) ru benzylic (3) glixerol (4) natriphenolat. Nhng cht no tc dng c vi dung dch NaOH?A. ch c 1 B. 1, 2, 4. C. 3, 4 . D. 1, 2.

305.Hy chn cu pht biusai:

A. phenol l cht rn kt tinh d b oxi ha trong khng kh thnh mu hng nht.B. phenol c tnh axit yu nhng mnh hn H2CO3.C. khc vi benzen, phenol phn ng d dng vi dd Br 2 nhit thng to ra kt ta trng.D. nhm OH v gc phenyl trong phn t phenol c nh hng qua li ln nhau.

306.C bao nhiu ng phn ng vi cng thc phn t C8H10O, bit cc ng phn u c vng benzen v ung c vi dung dch NaOH?A. 6. B. 7. C. 8. D. 9.

307.Trong cc pht biu sau:(1) C2H5OH v C6H5OH u phn ng d dng vi CH3COOH.(2) C2H5OH c tnh axit yu hn C6H5OH.(3) C2H5ONa v C6H5ONa phn ng hon ton vi nc cho ra C2H5OH v C6H5OH. Chn pht biusaiA. ch c 1 . B. ch c 2. C. 1, 2. D. 1, 3.

308.Tnh th tch dung dch KMnO4 1M cn thit oxi ha ht 27g p-crezol trong mi trng H2SO4:A. 0,208 lt. B. 0,3 lt. C. 0,35 lt. D. 0,24 lt.309. t chy hon ton 1 mol ru no (X) cn phi dng 3,5 mol O2. (X) l:

A. glixerol . B. ru amylic. C. khng xc nh c. D. ru etylic310. Cho Na tc dng vi dung dch A gm phenol v xiclohexalol trong hexan (lm dung mi) ngi ta

7,616 lt kh (ktc). Mt khc, nu cho nc brom phn ng vi cng mt lng dung dch A nh trn59,58 gam kt ta trng. Tnh khi lng ca phenol v xiclohexanol trong dd A.A. 33,84g v 20g B. 25,38g v 15g. C. 16,92g v 16g D. 16,92g v 50

311. un nh etanol cho bc hi v t mt dy Pt nung nng trong hn hp (hi etanol + kng kh). Kxy ra, dy Pt tip tc nng v thu c sn phm hu c (A). A c th l:A. CH3CHO v CH3COOH. B. CH3CHO, CH3CHO v (COOH)2.C. CH3COOH. D. CH3CHO.

312.(A) l ankanol, 2/ O Ad

= 2,3125. Bit rng (A) tc dng vi CuO/t0

cho sn phm l xeton. (A) l:A. ru n-butylic. B. ru isobutylic. C. ru isoamylic. D. ru sec-butylic.313.Cng thc chung ca ankyl benzen l:

A. CnH2n+1C6H5. B. CnH2n-6 (n 6). C. CxHy (x 6). D. CnH2n+6 (n 6).314.Lin kt benzen tng i bn vng hn so vi lin kt anken l do:

A. Su nguyn t C trong phn t benzen c cng trng tha lai ho.B. Phn t benzen ng ng, cu trc vng cn i.C. Phn t benzen c cu trc lc gic iu ho.D. Su obitan p ca 6 nguyn t C xen ph bn vi nhau to thnh obitan chung cho c vng.

315.Cht nokhng l ankyl benzen?A. C2H3-C6H5. B. CH3-C6H4-CH3. C. C6H5-CH3. D. (CH3)3C6H3.

316.S ng phn ankylbenzen ca C9H12 l:A. 8 . B. 7. C. 6. D. 5.317.Tm cusai:a, Khi c xc tc Ni hoc Pt, benzen v ankyl benzen cng vi H2 to ankan. b, Benzen v ankyl benzen khng lm mt mu dung dch Br 2.A. a. B. b. C. a, b. D. KQK.

318.Tm cung:a. C th phn bit benzen v hexan bng dung dch KMnO4. b, Cc ankylbenzen khi un nng vi dung dch KMnO4 ch c nhm ankyl b oxi ho.A. a. B. b. C. a, b. D. KQK.

319.Cho etylbenzen tc dng vi dung dch KMnO4 un nng thu c sn phm hu c l:A. C6H5 - COOH B. C6H5CH2COOH C. C6H5COOK D. C6H5-CH2-COOK.

320.Nhng tnh cht no thuc v tnhthmca aren?


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cng n tp Ha 11 (c b n v nng cao) a, D tham gia phn ng th. b, D tham gia phn ng cng.c, Bn vng vi cc cht oxi ho. d, C mi thm d chu, khng c.A. a, b, c, d. B. a, c, d. C. a, b, c. D. a, c.

321.Cht no c sn xut t aren:a, Polistiren b, T capron c, P.V.C d, Cao su buna-SA. a. B. a, d. C. b, c. D. a, b, d.

322.Chn thuc th phn bit 3 mu: benzen, toluen, hexen.A. Dung dch Br 2 B. Dung dch KMnO4 /t0CC. Dung dch Na2CO3 D. Hn hp HNO3/H2SO4.

323.Cht nokhng th l aren?A. C8H12. B. 4

32

33

+

x x

H C ( x 15). C. C7H8. D. A v B.

324.Chn nguyn liu iu ch etylbenzen:A. C2H6 v C6H6. B. C2H4 v C6H6.C. CH4 v C6H5CH3. D. CH3(CH2)5CH3.

325. Cho 46,8 gam benzen tc dng vi 31,5 gam HNO3 trong dung dch H2SO4 c vi hiu sut phn ng 80%khi lng nitrobenzen thu c l:A. 61,5 gam. B. 76,875 gam. C. 49,2 gam. D. 80 gam.

326.Khi lng toluen cn dng sn xut 170,25 kg thuc n TNT vi hiu sut 75% l:A. 69 kg. B. 51,75 kg. C. 91,6 kg. D. 92 kg.

327.t chy hon ton 0,5 mol hn hp A gm c toluen v mt ankin thu c 2 mol H2O. Tm cng thc phn t

ca ankin.A. C2H2. B. C3H4. C. C4H6. D. C5H8.328.t chy hon ton hn hp gm 0,3 mol stiren v 0,5 mol mt hirocacbon thm X thu c 2,7 mo2O. X l

cht no sau y:A. Benzen. B. toluen. C. etyl benzen . D. anlyl benzen.

329. Cho clo tc dng vi 78 gam benzen (bt st lm xc tc), ngi ta thu c 78 gam clobenzen. Hi phn ng l:A. 71%. B. 65%. C. 69,33%. D. 75,33%.

340. t chy hirocacbon X ngi ta thu c CO2 v H2O theo t l O H CO mm 22 : = 22: 4,5. Bit X khng lm mmu dung dch brom. X l hirocacbon no trong s cc hirocacbon sau y:A. CH3 - CH3. B. CHCH. C. CH2=CH2. D. Benzen.

341.Mun iu ch 7,85 gam brom benzen, hiu sut phn ng l 80% th khi lng benzen cn dng lA. 4,57 gam. B. 6 gam. C. 5 gam. D. 4,875 gam.

342.Benzen phn ng c vi tt c cc cht trong nhm cht no sau y?A. O2, Cl2, HBr. B. Dung dch brom, H2, Cl2.C. H2, Cl2, HNO3 c (xt H2SO4 c). D. H2, KMnO4, C2H5OH.

343.Cu nosai trong s cc cu sau:A. Benzen c kh nng tham gia phn ng th tng i d hn phn ng cng.B. Benzen tham gia phn ng th d hn ankan.C. Cc ng ng ca benzen lm mt mu dung dch thuc tm khi un nng.D. Cc nguyn t trong phn t benzen cng nm trn mt mt phng.

344.Chn cung trong cc cu sau:A. Du m l hn hp nhiu cht hu c. B. Du m l mt cht hu c.C. Du m l mt hn hp t nhin ca nhiu loi hirocacbon.D. Du m si nhit cao v xc nh.

345.Hirocacbon M c cng thc phn t C8H10, khng lm mt mu dung dch brom. Khi un nng M vi dunthuc tm to thnh C7H5KO2 (N). Cho N tc dng vi dung dch axit HCl to thnh hp cht C7H6O2. M c tn gno sau y?A. 1,2-imetylbenzen. B. 1,3-imetylbenzen.C. etylbenzen. D. 1,4-imetylbenzen.

346.t 50 lt kh thin nhin cha 96% CH4; 2% N2; 2% CO2 (v s mol). Th tch kh CO2 thi vo khng kh l:A. 49 lt. B. 48 lt. C. 47 lt. D. 59 lt.

347.Cu nosai trong s cc cu sau:A. Stiren cn c tn l vinylbenzen hoc phenyletilen.B. Cc nguyn t trong phn t stiren khng nm trn mt mt phng.C. Stiren va c tnh cht ging anken va c tnh cht ging benzen.


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cng n tp Ha 11 (c b n v nng cao) D. Stiren lm mt mu dung dch thuc tm.

348.Cho s phn ng: benzen X Y polistiren. X, Y tng ng vi nhm cc cht no sau y?A. C6H5CH2CH3, C6H5-CH=CH2. B. C6H5CH3, C6H5-CH=CH2.C. C6H5CH2CH2CH3, C6H5-CH=CH2. D. C6H4(CH3)2, C6H5-CH=CH2.

349.Chn cung trong s cc cu sau:A. Du m l mt hn hp nhiu cht. B. Du m si nhit cao v xc nC. Du m l mt hn hp t nhin ca nhiu loi hirocacbon. D. Du m l mt cht.

350. Cho 15,6 gam C6H6 tc dng ht vi Cl2 (xc tc bt Fe). Nu hiu sut phn ng t 80% th khclobenzen thu c l bao nhiu?

A. 18 gam. B. 19 gam. C. 20 gam. D. 21 gam.351.Cho 100 ml benzen (D = 0,879 g/ml) tc dng vi brom lng (D = 3,1 g/ml) v bt st iu ch brTh tch brom cn dng l:A. 59,68 ml. B. 68,168 ml. C. 58,168 ml. D. 34,184 ml.

352.Mt ng ng ca benzen c cng thc phn t C8H10. S ng phn ca cht ny l:A. 4. B. 3. C. 2. D. 5.

353. Cho s chuyn ho sau: X + 42 H C C6H5CH2CH3 + askt Br ,2 X1 + NaOH X2 + CuO X3. Cc cht XX1, X2, X3 ln lt l cht no sau y:A. C6H6, C6H5CH2CH2Br; C6H5CH2CH2OH; C6H5CH2CHO.B. C6H6, C6H5CHBrCH3; C6H5CH(OH)CH3; C6H5COCH.C. C6H6, C6H5BrCH2CH3; C6H4(OH)CH2CH3; C6H4COCH2CH3.D. Kt qu khc.

354.Mun t chy hon ton 0,1 mol benzen cn dng mt th tch khng kh ( ktc) l bao nhiu?A. 81 lt. B. 82 lt. C. 83 lt. D. 84 lt.355.S ng phn ca cht c cng thc phn t C7H8O cha vng benzen l:

A. 5. B. 6. C. 7. D. 4.356.Chn cung trong cc cu sau y:

A. Cht c cng thc phn t C6H6 phi l benzen. B. Benzen c cng thc n gin nht l CH.C. Cht c cng thc n gn nht l CH ch l benzen.D. Benzen tham gia phn ng th nn benzen l hirocacbon no.

357.t chy hon ton hirocacbon X thu c kh CO2 v hi nc theo t l th tch 1,75 : 1 (o cng iu Bit MX < 120 vC v X c th lm mt mu dung dch KMnO4 khi un nng. Hirocacbon X l cht no sau yA. stiren. B. etylbenzen. C. toluen. D. propylbenzen.

358.t 1,3 gam hirocacbon N th lng thu c 2,24 lt kh CO2 (ktc). N phn ng vi H2 (Ni xc tc) theo t l

1 : 4 vi brom trong dung dch theo t l 1 : 1. N c cng thc phn t no sau y (M N < 115).A. CH2=CH-CCH. B. CH2=CH-CH=CH2.C. C6H5CH=CH2. D. C6H5CH=CH-CH3.

359.Khi phn tch thnh phn nguyn t ca hirocacbon Y cho kt qu %H = 9,44; %C = 90,56. Y ch t brom theo t l mol 1 : 1 un nng c bt Fe lm xc tc. Y c cng thc phn t l:A. C8H10. B. C9H12. C. C8H8. D. KQK.

360.Stiren c cng thc phn t C8H8 v c CTCT: C6H5-CH=CH2. Cu nong khi ni v stiren?A. Stiren l ng ng ca benzen. B. Stiren l ng ng ca etilen.C. Stiren l hirocacbon thm. D. Stiren l hirocacbon khng no.

361. t chy hon ton 0,01 mol mt hirocacbon X l ng ng ca benzen thu c 4,42 gam hn h2 vH2O. X c cng thc phn t l:A. C8H8. B. C8H10. C. C7H8. D. C9H12.

362.C 3 l mt nhn cha cc cht ring bit l benzen, toluen v stiren ta c th tin hnh theo trnh t thsau y nhn bit chng:A. Dung dch KMnO4, dung dch brom. B. t chy, dng dung dch nc vi trong dC. Dung dch brom, dung dch KMnO4. D. Ch cn dng dung dch KMnO4.

363. Khi t a gam hirocacbon X hoc hirocacbon Y u thu c CO2 v H2O c t l khi lng 4,9 : 1. X dng vi brom khi c bt st lm xc tc. M ca Y bng 1/3 ca X. CTPT ca X v Y ln lt l:A. C6H6 v C2H2. B. C6H14 v C2H6. C. C6H12 v C2H4. D. KQK.

364.Hy chn cung trong cc cu sau:A. Benzen tc dng vi dung dch KMnO4 khi un nng.B. Benzen tc dng vi dd KMnO4 nhit thng.C. Cc ankylbenzen tc dng vi dung dch KMnO4 nhit thng.D. Cc ankylbenzen tc dng vi dung dch KMnO4 khi un nng.


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cng n tp Ha 11 (c b n v nng cao) 365. Ba cht hu c X, Y v Z u c thnh phn khi lng 92,30% cacbon v 7,70% hiro. T l khi

phn t ca chng l 1 : 2 : 3. C th chuyn ho X thnh Y hoc Z ch bng mt phn ng. Z khng dung dch brom. T Y c th chuyn ho thnh cao su buna. CTPT ca X, Y, Z ln lt:A. C2H4, C4H8, C6H12. B. C2H6, C4H10 v C6H14.C. C2H2, C4H4, C6H6. D. A v C ng.

366.Cu nong nhttrong cc cu sau?A. Benzen l mt hirocacbon. B. Benzen l mt hirocacbon no.C. Benzen l mt hirocacbon khng no D. Benzen l mt hirocacbon thm.

367.Khi lng ring ca ru etylic v benzen ln lt l 0,78 g/ml v 0,88 g/ml. Khi lng ring ca

gm 600 ml ru etylic v 200 ml benzen (cc khi lng ring c o trong cng iu kin v gi sth tch hn hp bng tng th tch cc cht pha trn) l:A. 0,805 g/ml. B. 0,795 g/ml. C. 0,826 g/ml. D. 0,832 g/ml.

368.Mt ng ng ca benzen c CTPT C8H10. S ng phn thm ca cht ny l:A. 1. B. 2. C. 3. D. 4.

369.Cc cu sau, cu nosai?A. Benzen c CTPT l C6H6. B. Cht c CTPT C6H6 phi l benzen.C. Cht c CT n gin nht l CH khng ch l benzen. D. Benzen c CT n gin nht l CH.

370.Phn ng ca benzen vi cc cht no sau y gi l phn ng nitro ho?A. HNO3 m c. B. HNO2 c/H2SO4 c.C. HNO3 long/H2SO4 c. D. HNO3 c/ H2SO4 c.

371.Sn phm chnh khi oxi ho cc ankyl benzen bng KMnO4 l cht no sau y?

A. C6H5COOH. B. C6H5CH2COOH. C. C6H5CH2CH2COOH. D. CO2.372.Chn dy ho cht iu ch toluen:A. C6H5Br, Na, CH3Br. B. C6H6, CH3Cl, AlCl3.C. C6H6, Br 2 khan, CH3Br bt st, Na. D. C A, B, C.

373.Phn ng HNO3 + C6H6 dng xc tc no sau y?A. AlCl3. B. HCl C. H2SO4 m c D. Ni.

374.Dng 39 gam C6H6 iu ch toluen. Khi lng toluen to thnh l:A. 78 gam. B. 46 gam. C. 92 gam. D. 107 gam.

375.iu ch benzen bng cch trng hp hon ton 5,6 lt axetilen (ktc) th lng benzen thu c l:A. 26 gam. B. 13 gam. C. 6,5 gam. D. 52 gam.

3764.Th tch khng kh (ktc) cn dng t chy hon ton 0,1 mol benzen l:A. 84 lt. B. 74 lt. C. 82 lt. D. 83 lt.

377.Lng clobenzen thu c khi cho 15,6 gam C6H

6tc dng ht vi Cl

2(xc tc bt Fe), hiu sut phn ng

80% l:A. 14 gam. B. 16 gam. C. 18 gam. D. 20 gam.

378. Khi t 1,12 lt kh thin nhin cha CH4, N2, CO2 cn 2,128 lt oxi. Cc th tch kh o cng iu kintrm th tch ca CH4 trong kh thin nhin l:A. 93%. B. 94%. C. 95%. D. 96%.

379.Thnh phn chnh ca kh thin nhin l kh no trong s cc kh sau?A. H2. B. CO. C. CH4 . D. C2H4.

380.t 100 lt kh thin nhin cha 96% CH4; 2% N2; 2% CO2 (v s mol). Th tch kh CO2 thi vo khngkh l:A. 94 lt. B. 96 lt. C. 98 lt. D. 100 lt.

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hoa 11 (cb+nc)

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