h, ,ree ~ h ou ~) · 2014. 12. 31. · ch 4 ~&z:nc:s.eiiq 8~~ ~ ot:>~m/ tn~d~...

: · ·i~~~~~~~~~~:~jj·:~<G~~E~ij[i) ~~~~~~::zotz:~-~~~~ : __ · :~: ~: ·-··----•·-· __ -_-_ ~~~e!~I.~~~!!~~~~-~f_(~~!~!-~!~!J~~~~~~~~~~~~~~~~-~-!~. ..... . - . ·"

·······························--····.-··-······· ···················-···-······· ....... ··················'··········"······· .. --. . .......................... .

~!)QSJC) n Chemistry ll

* CD4IiD ~ ~ ct6> ~ ~·· * Aer.mOm-~ O&D>

S"'~® gG:fmt.)eD S~dl e,o"'~m.

®@g) cz:s$t:Sld 6zsf ozsf gcd-eooo 0~ ~ coeca (fl"B ~~De 85"' 8'4l "'· ~ «iD g®a~ cz:s$t:Sld 8~D g®a~zsJ Q)f) ~ ~tseo cmt:Sld Qle:J@O:J@dm'4} C!'t5l:lf>2Sl S>E> ~ ce~~m.

gM qoD .3 CX5) 4 e> caSm6 ~ ~ ~ ~ (J)G»~ aozo*"" rms ~.

eo= Y ~ H-C- C- CH - CH - tar.~e, .. l~'-'

I I • 3 2 -v "(

Wl&. H H

~~~------------------------------~

6zsf 6zsf C!'~:!DS~ gcdm <3'~~00 f>t:>a C!'~da

C!'2Sl:lCD~@~ gcdm Wt:Sld%S!O cts5t:Sld COG:)~2Sl. C!'® C~W:l e,Oc,:)~ eS>m ~~o8 oo!:IV!3 ~~m.

c®gts.e:o gcd.e:o o~D ~"'elm t:Me'-' ~f>c~ ~ os A, B cow c- ~~:!DdE>ee> cmt:Sld A ~tsl:JC>eo ~8~ ~@Q)2S) ~ 6zsf cmt:Sld o~tsf f)t5) ed ~-ei:l ~:leD m~oao& to:ld ~~t5).

gcdm o~~e B cow C ~~:lD~ o®-eotsf 5to:~m m~:!C!'f>~ Some> @(Dt5) "':~ wtB'-'.

~f)~ f)aQ ~. R==8.314JK' mor'

~f)~~ ~. ·N ... = 6.022 x 1013 mor'

-65-

['--~,_.h,_,ree_~_h_ou .... "_~)

~~cx:.cm ~ gaJm (JoGD cr.~~

1

2 A

3 4

5 B 6

7

8 c 9

10

6~'4}f>

g~mmQ

~Oit'li

~~~ ~~~ I

G:lo•rablpoD

cdt:Sld o5zsfe%Sl n

1. ~~ oO'zsf•:l ~~t

2.

~azsr • .e:o"'

., .... ,

-

I

Uva Sipsara Udanaya 2012 www.StudentLanka.com

Prof Sudantha Liyanage, Prof O A Chandana Udawatta, Dr M B Prashantha, Shamal Rajapaksha, Anududha Saranga

01. (a)

(i)

(ii)

(iii)

(iv)

•

oO~tl) ~:lotmQ 1 sa 35 ~tsf!l3 ~ ~e~E)l:) 'lle6lrl Ol:DZS) glltmE>eo 8gti)6l QOQWtsl.

. S>~6t8%S)3E>Q eomE>m q0e:fto ~e~E>l:)Q I ~~E)%) 0®3mE>~?

- ' ...............................................................•.............................................................................................................. .

................................................................................................................................................................................ (vi) Qos0%S)3 ZS)E)f><!'cl <1'0etsf<!'9:fm qal!t~tmQ Q®ges.eo %5)6 0m3m~Sm cd:lS fl8tsf<!'e:k58wtsf Q~m

~e~E>l:)Q E>~<!'cl.

(viii) ~~ ~E>3oti)Qtsf Q~m S>~6-t8m3E>Q eomE>m ~ta ~t:if S>~618 ff3Z5)36Qtsf; <!'W~m ~~ZS)Q QWmQmQ

%5)6m ~e~E>l)Q tjl®tsf<t? ...............................................................................................................................................................................

(ix) "'® ~~::l:)Q%5) C!>t:ifS ertm3Qmeaf ~ta o6®3~ E>e C!>t:ifS%5)6-eo qotSl o cw +4 E>m C!>tsfS cnm:>Qm

Q~m ~e~Dl)Q/ ~e~E>l) e®3mD3~?

································································!'············································································································· (x)

'" •. -,.Jq

(xi)

................................................................. ._. ......................................................................................................... .

(b) K, Cl2, Zn, Li "'m ~e~E>l) ce=mm. <!'®® ~e~Dl) q~ecSm owm ~tsf ~t:if ~~ ~61o.eo"' Q~W3

q((3~ ~Bm 6Q3Q~%:Sl Q~tl)6-eo B"'mm. (~t:if ~e~E>l)Qt:if ~tsf D6t:if o®.eotsf m3~ZS)3 %5)6tsfm)

(i) KOH C!>dS%:Sl36tmQt:if eeQ

'~) A, B ~ D ~(%E>l:) 3 q:>E>es8® E>~ef) ~2:1)@ ff3Desmed ~o ~e~E>l:) 3 B. A ~m ~t:ifQSt)"' I

em"'~~ E>m qm6 B ff:l®B= QW C((:>8m ~~QSfl <t Q~8. D ta ~dSdm qflo~ Dm ~2:1)@

Qo<!'Qam"' c~:>Bm e~. A ta t:ifee:k58fl"' §~c q®e"'d eeQ @Q:l%5)68. B ta ~t:if C!>t:if~wt:if oeC::l

Q®m @Q:>%5)6 ~w~~o et:if <!'!:l.

-66-



(i) A, t\ eoto D C-'m ~eSD:lS 6c~Q~ti'l t:loedZSl D8m ~m~ mmm. A=~········································ B=·················~························D= .................................... .

02. (a) OlOZSl ~tdeDm gS@"'~ ~en~ ~ZSl ~0 lf'-'~tsl c~tsl6'.fli B~m.

(i) Fe0 0 4 + Mn0-4 +If---+- C(\ + Mn1+ + Fe)+

&ldSts16'-eo ~m ~o qa~~= eS@Q~

..•..........................•.........................................................•.......................................................................................

(ii) ' FeC20 4 + Mn0.4 ---+- C02 + Mn02 + Fe3+ .. OH

&ltsrSts16'-ElU ~m ~o lf'-'~tsl eS~

(iii) ~dZSld:> FeCl-04(aq) sD.fliC-'zim 20.00 cm3 d c~ms H2S04 e:>Bm q:~®Bts~ tsl6' K.Mn04 sD.flUQd

t:l®m q~®3o~ ~m 12.00 cm3 d flta~ a"'. ~ FeCP4 s:~Dm6Qm® ZSlDm 20.00cm3 d

~ms NaOH e:>Bm ~= tsl6' ~~:» KMn04 s~D.fli"' c®m q~®:IO~ ~ ~m flt'-'Dm o6®:JD~mm.

(iv) <l(tnZSl q~®:10me~ KMn04 s:~D.fli"' q:~®Bts~ li5® t:l~rn:~ c~ms HCI co~6Z5l:l c&~:~B5®o ern

K.Mn04 0D~DC> NaMn04 Dt):~ 9~9 em~®C> ~~ e®:~mD~?

................................................................................................................................................................................

.................................................................................................. -.......................................................................... . (v) ~®® q~®:~med qmm ed•:lSC-' ~~.flU"' tsl6'm~m ~tsl<5'd~?

. t~

(b) (i) A m® ~eSD:lS d~eD:J6m tntd qe~~m rnteo~ e®m od®:~~ lim am @ qa~S <68d~t):~=~ q~Dd ~a. ~"' (~ q~> oe"' c®m eB@Qa tsl6' B ~s qf>e'-'~ c m® qf)e~ c~8. B q®e'-' od®~ 8 lim c®m6m V~z:»B'-' rntt)Q ~8@ to~

q8)e~. c m® q®e"' ~od®~tsl (!'E). A,B tn:l c CC(tn:l ~e & rs>tli od®~/.q~ OlD~:» 8'-'mm. · ·

-67 -



A "' B = c =

(ii) A &3m e3~m AP3 m® c;Jd~t:> ~e qo®(3z:n ~.fli ~dD8 m® A, B ~:~ C ~f.>I~D t0~m:~ mmm.

A B = c =

(c) Oe'-' tO:~ ~~ q~~:o "0" m® z:n5Ql253z:n GD:ISQd qm6 M m® dz:n q:~®8z:n "eve tr>S®'-'d e:~®~8Cl ~®D C)Q)m ~- ~ e.:~®~B%5) o<ds~cl D~B e:~a~.fliti)Q ~e:~3'-'m o5a.fl'O"'~ ~d ~d GD

d66 DBm 25.00 cm3 o8®a q~®:10m"' z:n<Sm ~- ee dd6"' q~®:10m"' e:~~tO:~ 2 mol dm-3HCI

~ z:n:>CV~z:n ~66"' q~®:10m"' ~~:> 1 mol dm-3 HCI (( t:O:>e:lCla z:n<Sm e~. o5d~.fl'OCo:) 30°C e:~tO

60°C ~D6d z:n<Sm ~- ~~ e~ ~clm ®Sm otOm g~636"' <lt~ q1m.

60°C 50.00 ······/ 40.00

30.00

20.00

10.00

10.00 20.00 30 00 40.00 so.oo

(i) oe'-' t.:~tO "0" m® z:n:>CV253z:n ~;Dz:nQ qm6 dz:n q:~®Bz:n "eve t!»l®~ D:o:ldS too~.fl'Oti)Q ·,. · ~ e:~~tO:> gz:na~d cS"'mm.

(ii) 9~6:16"' tr>a~m~"'m 30°C t0a 60°C ~ D:oadB e:~a~.fliz:n"'m De ·qm"""m ~e:~a"'mm. c;Jev tr>:~e:lm:~ z:n<Sm coz:ndom"'m ~:~mD~?

.......................................................................................................................................................................

························································································································································-···········

......................................................................................................................................................................

-68-



03. (a) CQ, N02, C02, Np, H30\ NO, CCI., CH3F.. ot, BH3, HF, CH20• ct ~m s<!'frl~ ~z:nwm: omtil D~~ (SJ.eiQ 1 em <SJ~ 2 e aneeom g<!'frl~~ I geuf~ 8""2rlm.

(SJ-fliiQl (SJ-fliiQ 2

@SQI&, (i) ~"" @0~-eiia~ m-twmt ~m. tf-4!§Dli. (ii) Q\&, S>mom m&3m ~~"" m~,f)a)mt ~m.

. (iii) v~meQ m~,t:>Qd ~m

(iv) 88® o6®a-4l§m Co9012:1 z:nDt)~ - ~~6 ~e~m sme ~m:l®l,m

Gl~~ (v) ~tro.&ZIS> m~,f)a)d ~m.

tfQZDQ!S\

253t1QI&, (vi) o~ c®m ~&:>82rl ~a tf""m~

Ql~Q (vii) c~:IC!m ~dcSt:>/ ~dcSe:>""B q-4!§Dli

(viii) oeQ c®«n g8@Qatil6 ~c;)az:ll6-e8QC) maomQ Dm ~WeSt:>/ ~dcaw

-(ix) q®e D~,S DeO ~~W® ~:IQmDm ~WcSw/

fllr.:lfe5Se:> -(x) 630®a~~~2rl m®m d¢:18 eo~:ko ca~m ~dc8t:>/

~·@t)Q

(xi) ~aBe Ci'WQm ~mm®~ 8oDm ~%Sfc8t:>Q/ ~dcSe:>

(xii) ®QlS od®~~~ ~datil<S-eii qoZIS)Q ~mlS ~D.

(xiii) ®QlS o6®a1500 ca-eii ~tsfSZIS>d-eii tfoZIS>ald ~12.

(xiv) ~~ q-4!§ q1Sl6 qw~ q-4!§z:n H S>wQm ~m

(b) K\Ca2+, Sc3

+ Qm q""m ceZ~S>wm

(i) ~D~cl Das®~ qQmDe qOQ DI,~Dm sg~Deo Ctslcwm.

9~~""; gem~

-

·······················································································-c;;·········································································

-69-



04. (a)

(i)

(i) . F (ii) .. F (iii) F (iv)

I I F I F'A./F g.A F-B 'o· 1 .. ( F.,... • / .. , . I F F F F

(v) F (vi) F (vii)

F,I/F F,I/F F

p+F Ag " E l\. 7\ p/1'-.F p/··, ·F l::-1t' F ~l'>F F F' "' F

A,B,D,E,G ocS®a-4!§ ~edti> Dea ~®a~ !)w ~IS ~~D:~S/ ~e~D:~S r$)t~a anrl~.

A= ............................ B= ........................... D= ......................... .. E= ........................... G= ... - .................... ..

0 II 0

II H-C-H cerC-CH3

' '

CH3

I CH. - C- Cl , I

CH3

F

<iW~ ~ l:fl,B gB@wl:D ~r$) ~dS~:DpOI:D Dc3~ e~~cSa rocl e~ ®<61~ ow~ D~D ~®g~.elii ZS>6~~. (D~D z::oo ~ l:fl,B ~D:~S ~aw~ ~ Wtded ~d Dodo®&)

g6J@Q>~ ~ ~ ~~~

(A) ~d~ @.tlift:l2S> lf:Je~(l;lc;.:)

(B) ~sdc3eo~A82S>

lf:J@~(l;IO

(C) <ieedeg:tA82S> lf:J@~(l;IO . i;~

(D) <ieedeg~88~:D

qa~:De~w

(E) 339d8~8l:D lf:J~~

-70 -



iL • CH4 •e:kS~t!i'!6~~ tiJ~ ao t:>G3~ ~· t:t-4@tn ~tnmw"' 99 d Dm ~~~ ct~m SlD ~~e-4!10"' t!i'!6m ~· ®a t:t~~ Qam~-4!10"' cez:n®trl ~ · g<!id~ ttt&>me.trl ~tn<!'~~tS otfnt~8 t!i'!6mm.

iii. CH4 ~&z:nc:s.eiiQ 8~~ ~ ot:>~m/ tn~D~ S"'o® tnJSl~tn t:t-4@De tnJSlm

od®a19~0 &)dSz:nd-4!10 ifotnQ if~ lf-4@D c®m ~~Dtrlm.

(b) ~= CCifOm ctS~~Dtrl ezn:kS:)(Dm 919 OCOQ~tsl g~@~tn. g&3c:Stn o®-4!10~ Jn~m:l t!i'!6®trl orom oew~ ~ts)-~ tnOm~.

0 I "

CH3

- C - CH3, Na, Mg, Zn, Hg, Fe. Br2 CCl4, 08"' NaOH, Cu, CH30CH3, ~tn HCI, catrls

HCI, D20, catrls -H2S04, K2Cr20 7, C~sOH, PBr3 .

(i)

D D D

(ii) @rCHO @- tH - tH - tH - CH3

(c)

-71 -



~ ! l

I

05.

06.

(a)

• B ermOm - 6fe>

p tn® Cof)am ~at) m:ldtnc:lzsf ~ 27°C cat.comf)@d W:> 4.I57 dm3 o6®:>e~ X tn® f)o8f> 6 X 104

Pa 8Dtned. enm. e®® f):>9f) I00°C D ~~ cat.comf) ~ owm ~ !:)eoC>tnc:l .~ c®q}8mm:>f)c:lD o~~-

Xw <:==::::> Y (B)+ z(B,

i. P q}C qtrl~mm X 63 ®~e et.Sloo®.co ~? ii. I2-~c ~ m:>Otn@d 8Dtnc:l I.2 X 1 o' p !:)Q. X 63 ®~8t.Sl !:)coDtn g®:>-elic:l (a) etil:>O®.CO

~? iii. c®q8m qf)~ch<t"~ X, Y eo:> Z f)e ~%:5) 8Dtn ec:>c:lmtn. iv. e®® c®q8mc:l c~wo Kp ~:>c:lmtn.

v. e®® c®q)8m ®~.e&c:lD Q tn® cotnc:l 6zsft5>C !:)D 6c:l owm ~X c®m @aso%:00 Z co~S. Xw, + 2Qea, <:==::::> zw . qf)~lS g®:>.eic:lD Q 6t5lqz:OO m:ldtn~ enS X Sc:leC Z 0>00 om~tn e<e< tn® c®qB~ 8Dts>a~ I X I 04 Pa tn® X 63 q:>o{g%:5) 8Dtnc:l @t5>:>0®-eli ~?

(b) tjl~6Btrl ecvomm ®t5 m:>®OCc:lt5l enS Ae+ C:>m~-elial CD-elitnc:llSe'® m~w:> 6® od m:J®oceaf IO g oe"' tile ewo~m~c:l%:00 ~C) o6®of) 250 cm3 ~zsff)o m~t5> z:OOm e~- 6Sm IOO cm3 emm 6c:lD NH4CI eo:> N~OH ~oe:>.eiic:l '@®ealm 6t5>q z:OOtn e~- E~ eoe5t53as qf)zsfe•oasd enS~® q:>6®m E:>tn !;)D ~:>E:>-elieaf pH qmc:l 8 %Sf !:)Q.

(c)

(a)

(b)

®t~ m:>®oe@d Ae m:~m~.coas (mglkg) e:>8m em:>c:lmm. K..,[A](OH)l] =I X 10"2' mol4 dm-12

6clm6:~ gS@c:l:>E:>zm~ S~Dtn 6tn1m1e8 !:)ob'c:l:Jec:l -15.6 kjmor' e~. tn~%55 e®® gS@c:l:Jf) B~~®D qe:>~:~S qd63S qm6®1~ e:x,8b'.co"' mt~®D I52.4 kJ';nor' m:~o g®a.coascl eO>:> mt53. i. ~9 6tomDwtntif m:~!:)measm ~m ~%55m Ctil~ ~mm. ii. e®® gS@as:>e~ 09 gS@c:l:>E:> e,~w:> m@c:ltn ~clSc:l @Q:>c:lmtn. iii. e®® gS@c:l:>E:> 9~9 cme~6t5> eal~:> <g>m:~ q~ m@c:ltn ~clSc:lzsf asC>@m S~tslC eo1t5>.

6!;)D S~e:>tn 6mm1eB 8cl5c:l:~meaf qmas m.eotnas z:OOmtn. iv. e®® gB@as:Jf) S~e:>tn !:)a o<wBed ~1lS"' c:s:nlS eDtndzm® e®:>~D:l<(?

kBr,AgN03 m®m q~®:~otnc:l ~~ e~.es. e®~ ~b'~t.Sl"' f)~e"'m K2Cr04 coec:l:llB zmc5m1em. ~es~~ c:~m~.coas 0.0 I moldm-3 e~. K.sp [AgBr]= l x I0-'2mofdm-6 Ksp [Ag2Cr04] = 1 X 10"12 mof dm -6 i. e®® q~®:>otneaf ~asm:l6as m1ezm!:)trl ~tiff)mtn. ii. e®® @~8"' K2Cr0 4 Q~W:l 9~9 <[b'~t.Slc:lcl e:>tn Q)f) 9~9 CD.eiitnaslSm eome:>mtn. iii. 0.001 moldm-3 KBr ~:>E:>.eic:lm q~®:>otnc:l tSl®c!'~tn® <cb'~t.Sl~ f)b'.COas e 1eO>tn!:)D

qe:>~¥o ~ q1B Br ®~e gS~mc:l ®t.Sl:JO®.CO <[? '

oec:l q®~ B m® ~t53zm ~:>Dt5lc:lcl q}~ RCH2CI tn® q1e!Se el!deSDc:l E:>lS:>dm ®!>. e®® e:>l:l:ldBas m~w:> f):~S:JdS mo'52-elial ~~®D 0.925 g oeas 100 cm3 q}C ~:Jf)Eas ~ 6c:l B, 1 00cm3

m®m ew:~~m em:JCE:>:> m®!:il8m ~®D mevtn ~- e®~ oe"' ee:>m%:00 emtn m. NaOH ((®:> 6mz:OO 0.1 M q:~®8zm KMn04 m®m q~otnc:l zme !:)D 8.0cm3 e:>1"' ~- t5>:JO>t53zm d66as <g>wm ~ 98~ %:00~ !:)D 72cm3 ~"'!:)"'·

-72 -



Prof S

udan

tha Li

yana

ge

www.Stud

entLa

nka.c

om

i. • RCH2Cl ~:> NaOH Q®m gS@c.:~:>t:lo q~ ~8t:i) o~tlld.eoc.:~ 8c.:~mm. ii. ~t:i) RCH2Cl, NaOH o®m gS@c.:~a~e)m e1~6>m ~ec.:~ ~a qtnd gS@c.:~ae) o~~:> ~t:i)

~w qc.:~~til g~@c.:~a ~~~~ tlldmm. iii. dec.:~ ~~a ~~t5l de>oc.:~ ~e ftl~ RCH2Cl ®~ g®a.eiialm ~:JQtntn. iv. , B ~a deC.:~ qtnd RCH2CI ~ e):JS:JdS eoea.eot5lQ ~o:>Qmtn. v. ti!:l6>~ti! de>oc.:~ ft28®:>em~ ®al:)((:> CD~~ CO~® ~:>me):> ~'l vi. ~t:i) ~~t:i) tt1E8td RCH2CI ~ c.o.~. ~:JQmtn.

. ee!) ftl~~ q}e qtrl~CDt:i) Dtrl®trl Pb ~:> Pb02 ~edegJf.:> wa H2S04 ~:>D.eiialB.

i. Qha6c.:~ ~dmc.:~ ~~ PbS04 ote< m® q:>em~t:> ~:> till®~e:> gS@Qa 8c.:~mzn. ii. · IUPAC e~ ca~zn 8c.:~mm. iii. q1em~~ !}me)Q -0.356 v ~ till®t:i)~f>®d &De.:~ + 1.685 v e!) m® <!'tille~ &DC.:~

~:JQmm.

s

s

i. C3~ ®«Bm e6>:>~tn ~a:feSe:> ~B®tnti! o®:>Dc.:~5ti! e!). t1D~ D~~ 8c.:~mzn.

ii. . dDa Bzn® Dt5mec4 co®JDQ!}~? iii. P ~3 Q o~~a ~c.:~ ~~ t:i)~D e®atnD:)(('l

iv. Atoa B ~ D~ 8~zn.

v. R?

vi. S?

vii. C to:> D ~D1~D to~tn.:> CDI~®o ®al:)((:>CDt:i) ~1B o6tsf.eiiQtsf Q)rtam (3C.:~mtn.

viii. C tnlDt:i)AQ>e)o o~BO"® ec.:~:>l(:> CDt:i) ~1B g63ti~J0%.5)Qtsf 8c.:~:> ~~ ~ufl( ~~mDa ~l(trltn.

A, B ~a C C.:~~ q~ti! E~C.:~ C4H100 e:>zn c®:>Dc.:~5til 3, .B. A 9ti!:!G3 c®~ti!t:i):Jt) eomDS. B . j,

eJ'tlld~ m:dZOOI eznae!).

i. A, B ~3 C De D~~ e®:>tnD:>l(?

ii. B OlWl~8D ee)mtllOCDt:i) WlB o8a:>Dm8c.:~mzn.

m. A, B ~-c -~ ~~ till~o:>Qm De d¢3Sm:>D 5t>eznQ Dzn qatilaOc.:~o 8c.:~mzn.

iv. A l03C s·~m~m~e®azn~'l v. A,Bwa C ~mco®~~qecf~?

-73-



08.

...... ~'

(c)

(a)

(b)

• 0 ·n

@-c-cH = CH-COOH

i. ~~ ~m®t:Slaot:Sl wD eomDm®m etn®d ~? ii. COOH til3~w~ ~tin wD ®omD:> ®~m®m etned ~? iii. ti)®Q):~mSe tn:~~e:>~~ ~inwD ®omDm®m ®tn®d ~?

OtSltsl ~l~®Dm sme 6.2S®mtn d~~~tn o8~8:>D~ 8~mm. (~~:>e ~8~8-eG ~ 8~mm.) i. N~C03(oq) ~eo NHC03<oq) ii. N~C03 ~eo K2S03<011>~ iii. KN03<aq) ~eo KN02(aq) iv. K2S03(aq) ~eo K 2S203(aq) v. AgN03<aq) ~eo Zn(N03)2(aq) vi. FeCl3<aq) em K 2Cr20 7<aq)

(~) i.

ii.

®tn:>®w:feo (II) ~~m®cl Ci®C~®g:fm ~ml:la~a~ Ba~mm.

663 ~D~:1m Ci®e•g:rm Sa~e®e tst®D:Jmo® ~otn ZlilCtn ~ 8a~mm.

(~:J) Cobalt(II) chloride dDeo~~ oe®cl~~ tn@. ~a A ~:JD-eo~ ~t®~. 6® ~:JD~a ~:1m~

HCI Dt~d 6~tne ~a B m® -~:JD-eoa~ c1.®~. ~:~D-eo~a ~:Jm~ ~e®:f~~:l 6~tild D:lt:5lal @@ema~ tne~a c ~:lD-eGal et@~. i. ~o8eS-eoDe E>tS-eo 8a~:J dD:l®cl IUPAC m:l® a~mm. ii. ~obalt(II) chloride c:Jm~ HCl c®m gin@~:l ~ ~:Jtn~o® g%n@~:1Dm ®e:fm

mtO:Ja~m 2 ~ 8a~mm.

(c) Na, Mg, Al, P, N a~m ~e~Dl:l D82rl ~I®~m ~®e:fdae:> ~etnmm. i. 6® ~ee:fdSe:>D~ Citotsl ~e~Dl:l ~I®~m ~®C:fdSe:> ~etnmm. ii. 6® •e:fdSe:> oe~ ~®m ~~Dm gin@a~:J ~~to:J ~8tsl c®tild-eo 8a~mm .

(d) Si02, NPs, N02,A~03, Bi203, N~O ~m <!>~cSe:>De dDm:JDQ l!p®8tn U>:lS~til ®to:f em~~&~ a~mm ~~eom tileS e wD ~~ma ~~~® ~~eo:~ ~815) ~®tileS-eo 8a~mm.

09. . (a) omt:Sl w~~D~~tnDe ~Btn t:Slt~® dtntn ®®:JmD:> ~?

(b)

i. dDma~tn dw~

ii. mS®C:fm6, 6 iii. ®0882rl iv. s8a~a ®M:f®te&S~

v. ®od®e:fm

i.

ii.

Citot:Sl 6~ Q)~~f)Q~tilal ~t~®o a>mm:l 6tn ~Da~~ D_;gma~ 8~:1 ttD:J C1_®~m ~:ltn:ld~ ~~Dmm.

m~m ~:fa~ 6d ~lllo~m®~ Citot:Sl w~ ~D~~tn e~:J~:l a>~. 6~ 6® w~ t1D~~tn®cl

m:J~%5)~ Wta32rl Ba~mm.

(c) ce~ ~:l~~ em mSgomDe <!>~Se:> ~e DtS ~in~®o ®tD~®~. i. D:JS®a>:fea~ ~e dDm:J~tn mSgomDe <!>~QSe:> ~o~eDm qm~® ~8t:5l d~:lal~tn

~®tileS-eo ~a8m otmt~B tildmm. ii. HN03 ~®e ~eo:>~meaf8QDd ~~Dmm.

-74-



Prof S

udan

tha Li

yana

ge

www.Stud

entLa

nka.c

om

10. {a)

iii.- ~Sgd~ ~=S£> wa =CMts t:l<!'Qazsf~ q~ gB@oD c~wa !:\lem dcao&:n

c@ts~CS..-oc.o 8omm. iv. ~~ ete$~ C>zsf ~ozsf C>tSf~a dc:10~%:D ~®:u:rlti>OtSf ~al:l ~3~ gB\@G:I%S)Qt1'f

@OC ~~. ~~ C>® gB\@0%5)0 eoh mt~®E) Ul3&3 f:S>d~ gB\@o%:D ~ m~ ala c~gd%:D 8om~.

D~:fee!cl 000 D3am o6®aD q~D gB\Clilti>O ~ owm o~ 0~. N2 - 78%, 0 2-20%, Co2 - 0.04% e®® D~ DtS oe®cl S:>D~ ~ owm ~ c®!:il8mm:>Do lt{Bf:S>d <D255.

xla> <:==:> ~~~~~ K" = ~~ /P x -

~aq) oeecl x ~ c:>mS-EliOG:I P x- D:>ti>®d x ~ lf:lo63%:D 8t;)~c.:~ - i. ~® q~D f>t~ ~o~DtSf tile otDBo WtB So~® c®!:il8mm:> 8o:>l(zsfDm~.

ii. ®'® q~D oe®cl otD& wtB co6® 0 2 c:>ms-EliOG:I moldm-3

w:> ppm D8m ec:>om~. 0 2 ~w:> ~=1 x 10"2 moldm-3 atm·1

iii. c 1® e:>t~ Q}o~D%:D® C02 s:>D~o Dmem ~® c:>®:>~l:l e:>tS oe®cl pH q<Do ec:10m~. (oeecl~oeD~ So~ C02H 2C03 S>DE> ot:dD~ S>D ~~.) C02 ~w:> ~=2.4 x 10"2moldm-3 atm·1 pKa{H2C03)=6

iv. C>tSfti>d:> tsd:S®%:D ge<Clilc.:I%:D o6cd ~¥~o Z1c:> D:>mecl S02 qw%:D~ (flm. 0®® ge<ClilQE> fh0E>~ f>{S oe®cl pH (f<DO @ti'l:>O®~ l(? so2 C~al:l KH;:: 1.5 X 1 0"2 moldm -l atm"1

' so2

o6®~ q~D gB\Clilti>O 0.02%

pKa{~S03) = 5 v. S02 DeE> Dt;)a C02 D:>m®cl qw%:D ~Dl( S02 ®163m lt{~D~ S>eot® qw%:D Dmem lft8?

vi. e®® DIS oeo 0®® 96'<CliloE> lttfB ~"' wtB aeot® %5)~ l(?

~ aurd tt@l~ ~~ ~~

A p a b

B Q

c R X

qlWti> DG2~ l(~tl) tO~zSl:l tsld~m Oal%5> t5D:> C~W:l 8~ caoom~. i. ltt D<D:>®'~l (foti'IO L ii. A~dti'lmwomA

iii. B ~ ®~e coi:i>l:l:>D n8

iv. B em q~ eoi:i>l:l3D NB v. C ~ ®~e coi:i>l:l:>D 11c vi. c em q~ Coi:i>l:l:>D Nc vii. -C ct<d dtilmwo me

viU. ~ ®~ Ul:l<DO Oy

iL . Ae<d®~etoocooXA L- ,---"~ B cNf ~e wacoo X 8 - - ·.-~-:<.~- .-::~

··.- ,··,·_- .. · .

. . ... .~. _~,; ~~-~- ..

-75-

~

w

l



h, ,ree ~ h ou ~) · 2014. 12. 31. · ch 4 ~&z:nc:s.eiiq 8~~ ~ ot:>~m/ tn~d~...

Documents