6arco eepo - esaviya.com

€ogo AOaO q1D66. [email protected]]

@ eoto, Ooco oqecbzlo@?iJ4o

q.@€31.f3. (o.ooe) oorcoo - 2018

02 - 6arco EepO

ezO€ Qo@ c:OocOco

gOoa! to.oodoar Cae€d roe geO qaa.

YS% ,dxflah orejka f.a wOHdmk wNsjDoaêh Wfoid úNd. m%Yak m;% yd ms<s;=re m;% ,nd .ekSug msúfikak

WWW.eSAVIYA.COM fjí wvúhg

€ @d) eoe €q6$6ogd@

40. aAod?d 0€6 agaq o o106 €QtotJ tQo?t oo6t66lood8 6qag o?tlcd Q?

(a) o36o<'reo.J qi6 N26d D5JodJ ovd@oie(' too 6eUEa 6d 68@0?'l <ro&.(r) o{9e6deo 6d 68@0 q N2od8lodd(3 6E

(.) ts06@6 Ad ASoo q N2 od86d!6(3 ca.(l) or6@oje(3 6d 66@0 E .!l@q5) 58o9o oc rr:AQaa o6oroa5lo E6i 65r0ej0 06) qsJorJ g

8o dr) egialrt qEoo @rb oArJ 661fl oE

a q"?$ 4t Ao 50 e?td dd od gdao !.q!oo 91$3@ @q.6 al8sJ 9E6er5t ,5d 916r. dg g!s'r! 6oeoo6o3€d o ('r€@o€@d t,|o5) oA@oA e1d@o6) oBQ ( l), (2),(3), (a) €!o (5) 6?', 964'doe?', ?ood g6o'd(!

t'8 o6rd6' eEltld !,0@68 caa 6er5 ezQ€ ?sdt'Jt'r'

96&6@ r'g90.6 €@Jo(i 0€016 Edoo(l)(2)(3)(4)(5) .t .E r 60.

t.DD 06r g6d, er€gi).s g?or@ca Eoldq O oD? o(d..3d3 A?r 5)gsl crsggl8 g63&(J EO.4 o cr$€ €do€A

4t.

o€eo.6 e6oo@ oCoa6 ewooM8CO3 oeo oor BaCO16ccdd.8 oO. @(e/a ?s.dO6.3 lsrd ?t:oe lrt8lsdd de.r

i'rdoocJ rr.o€a 6?t EO qP oA

qloar(3ls zr89d?5t 96 er6 dt$6d goed€ia)goe(3 H- !30o adlaErcad 61qOO qr6 9066roarCe?r/J@d]r(]6b odgd?'t ott 916 ddaJd

Aoedog,ig) !4(oecao mi q0 !5.

@Md?rJ OCa otu ?r8odsrEqad c66E)oo(.15J

q0 6.

c6l('E66(3d @oqoo?rt ..o4e,Di5J'ocd 916966drad eq66o (oE)s t3oaers edsE(Jero€a 8do,!:rr.. 660) o!3eOSO loe !016

cE,eEdro6 o6zd 9qg 966(J,0 dqt'3 tloddgO ca6obr {od6(Jd qi6 ecbcodd 6.,68

COI- oc SO!- eo,:,aeo eoerrr oro.ssJ qr6) col- tor sol- ,15) oq@E Eo @o! 6roJ{5ooorscod aocdogia) n(od .|.rlr)

cH3cH2cH2oll a 6irt3,.5or cHrcH2cHo t'J

CHTCOCH3 A 6'.53.tsoea 9o. ora 6

6ra6r odgdl'l {EEio anl"l6d. 5"45toEd€d?d 6A a?ttas:6o oor @d6gEl o

d6€D (,da6dd a€ dir€'€{ac €g D6966(31Dd t3q!)r clto$oo e6 Aad (Adt6

J6€ct l'4o66d a€ Ag oz', €|3coe.ld Aolr80 ('o?tcj t6€ ortt$r6t.

orlclrr' e@e 60ro NaOH @llj KOH E6€r,:ooo5l6roq'J @oq q6eoe e6j66o @ttC 661i]r€(J@

eo6, agc eet3 t'cag) o?'J €a?tJ oe qo.q @O

de6 NaOH ooj KOH lroo edjdrde56(,roo?'l oreaord€€d qoeoc,i ot JSoo

o'?oj o€cor86o (:06.r l'r OQrcsdca etoA.

CGH5OH 6rEoo NaOH aoo C6HPr ologloorJ

s66o3 o:t ttd8.

EaAd !$xotul5rar66)6 9a) dO)B oO

6a(: ooe(lto de(r elD6(3?5i 6A:n ?$dar 8O

3!iA?'r6 I goe q€oe 8)3o6r ol @ra)J@cJ pHq(o(J 6ai eQ6O eta oO.

gac 4Oe q€ge O6o5)c] €E o?tt@?tJ qooA6a?r Ao'6.r ,( Aorl'D uo66j oE 6.

EUor6e:J66t q16 8o to6E) (s]ro 4€ CO2 6d oo. oq6o('ieocj CO2 ooog gsrg d'o lo8a l!tt5:

0651 !3.e 6)d .$€ omrto16.

43.

45.

4.

,18.

49.

x- .x- *

sd rls 64t) 06 11



6 Ce6) 66b d€obo€gdAo

@ g.Ioc Eoco oqocbo@@ltleoe6Drdt6r6i ufr-oregb gfloou6aenrb

q.@e,).€3. (e.€€rg) 8to:oo/ a.Oun.p. (o--u.rf pry)n ufrore - 2018

A@66 qotDtiurrL @6)66rb

6scooutILrb d6)coer SerrO

@e€ gc@ aOo:Oo/qenofl arpnirlgd $r-udI oOo/u66lr6 I

O O€do e,er€ed/ 6'l0EL €|d6quJitF5[ '

od egadti)o/ gq eflu.rnor n5lor&6 01 @@€ O.6d/'{.frdn ols6

9rO @a€/GrDn66|:| q5n5'i66ir 1 X 50 = 50

Ede'ePolDo

otl6lrOa).

ECo6.ClolDoeillorOEn.

ede'Eoocollorr@d.

agaoittolEGeillorr@d).

gd.'atoo6erllarn

@d).

6€a6.4odc0orllorr@d).

edoctooGorllortr

Oa).

A€a6iEors,66fl6rL@6').

€d@4ol'oerllornO6D.

aga6!4oiDosrllorcO6D.

01.

02,

03.

04.

06.

07.

08.

09.

10.

04 11.

12.

13,

14.

15.

17.

18.

20.

-_-9_._ 21,

22.

23.

24.

26.

27,

24.

30.

2 31.

32-

33.

34.

36.

38.

40.

41.

42,

43-

44.

45.

46.

47.

48.

49.

1

2 1 5

4 -_-5__-

---4___2 3_I

7. I

2 1I

2

2 3 7

) 2 3

02 - adEo Ocpo (@6{g60 c€€loo) | q-@) 6. (c.o6€) 0o66 - zols I eori.t 6.!@6 qlo€d 6s gao q.6 !2



6 @orr0 0(')6 .crtrEdOdqo

A sf0ooc! . olE 06 @sgd6r oo@O ooro o€ocJ o a€cdr cro(!l'ldJ. (od dd gd?'lo caqu Eo6o ete€ 9016(1 10 A)

l . (a) ooo oqoz'f gasc (!0! q 616o!ord ql!@ q cld) aO ..Q!o?tt E d6ftt. (@dQ qoos a.o.)

' (D 3oc6d&s E16Ood tcoo @de8a qclllroe Olod6ebroo orE oo. ,...tt1P... . ..

, (iD No28o-N-oaoJaa o?6&6{t NO; E oo o6j6<:o oar Acme oo. .. pPgF..... .

(iii) eal, q6 q,rd e?rJo,rJ Eo6d5 ae so3 c€ crod €alo?'J qo6d.5aeoea oo' 4o, oo. ....999PF... .

(iv) HSO; q66@sJ rrro{r Soco6 {E8@orocd oD.e€oo6a

(v) crdgr€olo €(r9 o 3d odor€tt b.rdEti ( n,l,m) 3,2, | 66 &o.rieo ,rfiot66got5oear 8dr.,6(3 oO. ...,::;.....,

(vi) Ocggo @reld.'d ode€otoo goed@gjnr@rd dd 860 ltco{cclto

datrDecrrd ozr q6d ocgoco ?r8gdz'j t3doc€bd clq.or olr t'.e 6t'66qo@(eCo'' oO.

(v =taorr6 X = e6t'!6 ggot' ('z€D.) (04 @a*l x6 = 241

1(a)= gQ8 24

(r) (i) SF3N q€o ccq@r o&d o Egob lo18 eod ojd(r qq?'i'.

'i'.':-I:'^; {osl

(ii) C.Or(nraal oad!o36) e€o .'elo' aooEl g &))E gEC Ogoo ood) qd. qr6i. 6€0 q€sl-qoc 6Od god Odro (a@ggdo Ogo) cCOd qQala.

(.!L O: q&r' EntO.rO geee crrlo6t gAd A8lrOeO ele€ 9Qc6co lb6e @?trreroA.)

6-c:c:c:d@oooo:c-c:c:o <--> o:c-u=i-v;

tI

I

Yo@ .. o \u @o:C:c-C=o € X:.,_F_n:'A

(O('ro €€rDr$l (@Q€ o7x2=1a)(€cs€ g€o(3 660 6cor t3oeEdt'tt) ot'@ gt$Oo eaoob6 o5loa.)

02 - 6d)6t' itsloo (GaAe.O 6O{,OG) | q..sr't! G-.6€t !,orc6 - mls I qod4t .t €olo@ q,a€d 6s eao eBrt 13



6 @.a) OoF oeo)Edacdtlo

(iii) ooo oqoal gfu OJto(J oql,)o tndoonr c,!ot' DeoO EdO? ft6 C. N .', p od&gjocI. €rdo+€D oao VSEPRg@C Il. rJdOr€D DOr geerjr@gjz,goct drro66

III- udoo€D Oor !o.A!3 IV. odo3€o8 gg@?i666

caolt qaldoodJ €r6q edor€ qo6?r'6 :5d qi6j,

?cJF-C'-N'-C- t-cr

CI

N2 P4

VSEPR O@d 2 4

e@@id@O5o

6(Dd d6Fdcot'66

6@?Drbr€Dr6 6@€DJOnDr6

@UAcn orzdoG6

l €tzOco

6@sDJdsrDld

@rDr6€D cbA(3 oadt'€ci

g,€@€D6e{o sf sp2 sp sp'

(@AA 01 x 15 = 161

(iv) 9loo (iii) oaoOooA oq- eq €tu a$ro(!6 o&o caqio?tJ o a5Ja?r corEoa ar6?ol8 o?t)c6orgl'/98o:ood8t' t'€l,)3@niD. (cdOo€OC g.rD!)6 (iii) olsrooe.8 q.:rrdoo oO.)

I. F-Cr F ...2p..ot,sp?..... c' . . . . . . Jp: . . . . . . . . . . . . . . . .

rr. cl-N, c,...il:.............. N'.,.....'.{...............,-^2rrr.N2-C M....:fl:............. c......:f

rv. co-p,4 c..,tp.............. p......tp:......._.........

v. P4-cI },...fc..........,... cI......?p..g.nl.qp:......( @cl€ 01 x 10 = 10)

(v) qtr6r (iii) G6!a@t38 oq?': gq gdd EEt'o('A clo6 6q!o?rJ rraslA5) c.rEOO 6d)6rE Oi'od@r€6 :50$6 ogrr:crozrln. (lrdor€Ee g.?o!jr(5 (iii) [email protected] qezrrdro oO.)

r.N?-ca Nr-....-.?P........... c.....?P...................rr. c_p,4 cl ......?p............ p' ..,.,.9/_.(ggpgC.e €'Eder@,et'l'-qp@

Egaooo @iaE 01 oed?tl

(cEO€01x4=04)

r(b) = @@8 s2

'a: :dr:,. It ..t--:F-C-I\FC:?-ql:

,Cr,

02 - d6'@ OqDo (@@€60 60o106) | q oo)-6. {c.6o€) E6Eb - 2or8 | eo6d 64otoo q4€d @s €tlo q.o. !4



6 @ed O6b 6e€So6OdoO

(c) Odn6t e€ QrdO. gt6 e6c. €IOOa Bg@DeO oDn .5q$61 e 6I't3EJg). (ede qoon @ooo,)

(i) B, Na, P, Be, N (oego?r q66ird5 (DuiE6)

.......i!.s.. ......P.....................99...........1.. ........ <. N....... (08)

(iD NlL, NOCI, NOrCl, NH; , F3C - NC (?r8gd,rJDe Sctd @56co)

lllLr .. llUrl... . .1!-o,9 . . .ll9t9l . .. 9f:119...,

tsotoo : NHr< NOCI < NHq+< NOzCI< CFgNC (ooo ot3do ero6)

Cii) !3doo€Ob coe@Jdroe do&?rloA 4"6 (n,l,m|ms\

(:. r.o.- |).(:.0,0,.]).(2, o.o.- |). (2, r,*r,**),(r,r.-'.-*) (eoedos6o.r oda6c)

(2,o,O,+7/2) < 12,7,7,+7/21 < l3,O,o, +7/21 < (3,7,0,-U2l < (3,2,-7,+7/21 (08)

(G6!€ 08 x3=2a)

1(c) = @@€ 2a

2. (@) X 6dt grobEEr oeoo p-@!D.e@O geeorecr8. e.r €odor€b or$Dd oe6 oo5. X g€clOzd86d.6 qoddo t:dr.ffrd oeil'JAO :sd8. X I md O Beo loBo8OCe Y @O. Y deq68eroEool'J 906(, g rordo?s g?O6ord eae oQA. Y Od863d6€d, Od8ordb@ld, qgec:d ! )$eiood oeca €(Jr 'rd8.

Y adcllqarcd Q X B {8!rdoc€,s o.SE $cA?D @O

(i) X tlo Y g)$?t5o,'&r.

(081

(081

I- N @C'5 er8odd (Nr6€etr @a€ {t tt)

Y- NHg oo5 e.@OJ6(,1l

(0s)

(0s)

(ii) XA C0ode€6 Drga e3oc5l)r6o!?rJ SdE(5 6i8 6er$e s1o6. onaocJal ooqaia'. Na 6.6dO.MOs!6jd eAoa.@6- ......................(03)..

.D9..56)p.6-Od8e'..O.aoo.ed6(!..eas(6-......,.......................,...,..(qgl..

(iii) X A odeoAo qoo d€3,{JErs Ee ed' do dd dd .3"6(5ioo<,J X I odS,odd qoeidooqdo?rlt'l

NzO +1 NO +2 NzO: +3

(03+03+03)NOu/ NzOq +4 NzOs +5

60eD{r : E€iD tr@6 5O66e €tO (3OCD€' OdA{D66 @dOD ti€,et) @{OA

gqroo o6eio. @€a€ oacdd(s i e€tD tr€ro (oA, Od6tD6cD 4odoro (01)

eroo 8€oda erDM O{rzo tuld 6€oo oc,to.

oa - a.ir@ oazoo (cia€eoo o6o€0) I 4 66),.0, (c.€€, Oorc _ 2013 I co6.d 6d@loo qla€d 6€ 6ao c6.



6 cp6) oo)o €c.rbn6€d@

(iv) o.'E) r!g!o?rJ ord od 4Ndcoo e Y6 6.rils'6$d o!,rteo 8So e!1.o3 ee6 d61(rs?$aool'd6(r alE6J oqt'j6r.

I. Y od8zocdaod o6ts

2Na(s) + 2NH:(l) ----)

3Mg(s) + 2NH3(l) ---->

6Li(s) + 2NH3(l) --->(O{tu@ otDd)

IL Y oad8&rd6.rrd oe6

2NaNHr(s) + Hr(g)

Mg3Nr(s) + 3Hr(g)

2ti3N(s) + 3Hr(e)

(03)

3Clz(g) + 2NHr(g) ----> Nr(g) + 6Hcl(g)

3clr(g) + 8NH3(g) ----> Nr{g) + 6NH4cl(s)

3cl,(s)+ NH3(s) ---> NCh(l) + 3HCl{s)

3cuo(s)+ 2NH3(g) --> Nr(g) + 3cu(s) + 3Hro(8)

3or(e) + 4NH3(g) ----> 2Nr{8)+ 6HrO{l)

. 5odg) + 4NH3(g) *-> 4NO(g) + 6HrO(l)

(O€'Eo oEDd) (03)

rioot' : @{a€ €€}D6 @t') otte6{D ttddo eodoo @@6 @eD)@O.

(v) XqA.A 6cdoo<.i gegol5oe Yo g€dro ro8o8o 6e?s?rJ,r. @oo ro8QSooe (Yq g.AdD)rti.3loto ooe?t(! Ol' qrb3ded Q€ caoo?rrd 6B)E) gdDrdGcJ qdDdt5). Oaod qe 6O$@?'jlo4084, dored dr!o(.6?!) EB ror6rio66J oo?tJAO 6d?rJ5).(aA. e: l'rt,ro6De q@6c'?rt eo(ar 6ao.)

tD€lotD6

r!0t'6 : woo 6€t') (92). @O 6@ 6€o) @[48Ort6. (OoO Co6@o SbH.; e@cD PH3i

(0s)

€|ob e@o €dotd@d oEo6 60.de a6NHrd Et'6)

sbH3 (011

NH;

er6o6oo

oe - dti)@ ocpo (@e€eoo o06!6) I 4 .{rr.6. (c €c} Oo@ - 2oro I q€6.d @€loo @a€d 6'€ G'.rp cED



e C@ 66)@ €eoD&OdaO

(vr) 9o6 (v) osroe..8 orcarc?5oe EgCf,63 @de qdo6i?n-ggp dpdra_6?1 .6gpq?e (gse?61

.?,609 -o.9 .''*Ipg ?iP "9 193-)ergd, q6@O55(i) eO Et'd H - OdOt' E(5 6to) NH3, O@ ttl(]rooc)

'' ' O@i6erj66jdi5 Oer- 9('60 OOj Oirots: ,' ,' (03)

(vii) I Y A delJ 6ro6.38ir, erogd go5soEJ Alr(SO,), e'ooc;aeAsdE6ll roJt'l@?rJ q{8 e.3dt?r.

eg qod@docod / eg ogo05(3 Eododercod

o'i, ,irg 9() Oa eO6,

(03)

IL eo6 I (9rsroe6S OA6d 85!sb6(Jc 6{dA ?id?$ 05) Aodeoo8 Jt3reAl5 Bgr: e6zJb. ......At(oH):...... ... ..(991 .

(viii) Y a)g6i('rEoo Od od!666 er6dorod @{?rJEr

"6,r","),. ...-@Pd.'@. p..g..qPd. €Dq. o6d etorFr aDd{t (03)

as'fJ.,6.3:[email protected] .l. coo..z..cqpsad.

qrtHcl Ordoco O6d o615@r eDdd6).

€€ g€r6([email protected]

oa 6OOd O6d obn6l oddet6a oood 5d etzerE oO.onJCu2* q(J@ C)O6(oIDO Od €Dddo.?re 5d ct.eD.6 e)OEDcod

(ix) Z69 XA o5l66:r-qoe(lrJ .m gae oid6l5rJ?s(J5.

r. z6,e6,",c,6. .....!-lN-or.e.el p.FgC.sqep....... . . (931. .

ll. e.Cob $e(o c,g or,rig Z ga{c:i 6s ea Cr(}a6) de 6q!r6t frdCo)HrSOa(l), Nor(g), Hro(l) (01+01+01)

60c'{r , ot's6{D Edol eld6@o qOoa solo6.

2(a) = @aE 50

(D) A oc B c,rp qroU6or DeoO c:so ?o3do6a q(l6J p - o<'r€oA geEo, 6Q?ori 6co6&, oo. ?ocod

cg6l'jood E $c o€o{rje6 Sou)oci E qou6, oqd o?r€16 Eo.rzd @e6 At:oE. 0<l o€ ror0!?t qoejorD?ti8 Q {s9,ro e.oa. A I $5J godoro OE 9D qDcJoroo oor .nridoool'J ge @9.q6E?o or QOo ca,ocajl' cJt'B60?rl A I eo6o o8.

?srod cd46io6cJ E or orgo<rie.5 8o,'lsoj E B qo86 o€od 60. 6eD ftSoaaoe?rt o6dlsdm eQ @odeo:tj ?5o(raod B OBaJ aSog ne BO 6o oiroroo roroU.

(i) Aoo B ogzrroolur.

(03)(03)

(03)(03)

(03)(03)

A- HzO B. HzS

m - 66]@ O€bo (C@*96@ 66('€6) | q a{'6 (e6do) O@}e - 2oro I EoGd 6..doo { --'d 6e 6@0 q6

(04 + 04)

t7



6 @DD Oob 6qcr}!E@@dao

(ii) qoo) dg.5'oe dtoi'.J gocrdogjdl $(,d oo?tlor A lor B I i9.OOC qe 60o?r, qqsJ?'

QB QBn/o\,.', .zt\

A E (03 + 03)

(iii) etu ol"ce a?rloE) 6?5)i6{! qldcsr:t Ao q D o { (J5J6 @de qdDoat eqo::i odcir

Od8dd, €odoboco ool eeEd esad @O

OO 5€i) H2o O@ Adaer e@@tJoolD, HzS O@ OdOo €€cEd@oktO@O Ool oos e6or4o @etoo do]erocD O uO6,oo 5€o) Hro 6 adoer 9@@dOJ€D 6@@ qt'6 OrDb@€r Oo,

H2S 6 OO OcDt@er O@O@O OOr 0666.

A/Hro 6 AdAer oarJdrr,r, !y'Hrs6 Odaer @€DJ69(oO OAr Oz6ca

(01)

(01)

(01)

(02)

(iv) eoo oqoai ed dd @o.Jdr6'O q A I 6(:'6rgEJecl oo?"eo 860 6ebrr ee6 66oc'8?s€9l5d6€ a(A6J o.qajz)

L A qee€d or:e, ,.lf.o_(ll1.T.l:l:l)€ NHa'(aq) + oHlaq)(6.'J NH4oH(aq)) (03)iqint2Na(s) + 2HrO(l) > 2NaoH(aq) + Hr(e)(oeDJ d@(i r0o(' 9l566t tt6 Hz EOodel @eoz@ ogftD(od )(troc'eD , -----> E€@t' @6{D)

r a h..i'"r^{ .'*^ .Hro(l) + Hcl(aq)----> H:o*(aq) + cl (aq) ott5 (03}" H;oiij ; lil;tooiii;q) -:; n3citiaq) ;'tii3Ctr0 {aq)

(v) ce..i oee qrEoOO 5o(r B A 966<nro €3qor eeD dcacc's,:) 6O:5J5o eo?'Jz'.

.... .pb(EH3,cgql?(?s)..r...129(e) ...-: lqf(e]..1. .?Qtt9Q9l1(e.q) ...193)(@tti 2CH3COO + 2H*)

l. A lo1 B ooo 6OaO .lroe?rog) BiCl3 9€6(J?$0 cliJ iss AA Oa AOd EA6t!r{6o ?od?tjobJlqrE ed6J!).

(02696).4 60@ - 69 qodode6:d/ 69 oocod/ elo@tDocod (03)

L €ooo - aD(D qod@do6d (03)

IL eo)o I osro6...8 moLd 68zdl:6 $qtor eear dtsrcr86 .iorod6 eoaJbr.q!9r:(?e)

.-r. 119!1 . * gi.99l{lli.._. ?lqr(991. . .. !91.1(---> 8C@t' @zrD.)

,6iai;i;i) ; 3t-i;S(g) :::+ 8i,si(i) ; 6Hc(dij) (03t

60o(': (iv), (v) t') (vi) €o€t'r ot'cE6 ffto e.doo qo@E oo)oo,

2(b) = @a4 40

(vr)

02 - a6)@ Oe@O (GEo€g@g o0006) I q @'6 {O @O 66r@ - 2or8 | qodd adoil6 qalsd o€ GAo qd 18



6 Gpd 06F €€ono@gdao

3. A+B+2C+D (oeqoroao 9et5,956.]] oe-) (16 955610 2j'CO q Siisct5r eq. e,coeeC q

A.0.l0 mol oc B. 0.10 mol eee(D dec(38 g96!3 56oodl (9e o6o!e I00.00 cmr) 985c:r Eg6(3 6'(1')eq sre.: 6O3] aoo er:6s<:g A I or6le€oo8 eo?rd 0O gdrsdo6:E q?Jld3 qrD.

!..?r'Jta€ (mol dmr)

t.0

002.0 40 60 8o 10.0 rs.,er {min.)

(D 946<Jlo8 eep aEEJ4 4.0 a€ E 966,.3, 15do) e( A 9o36d (ogeoe?rt @6U).r 6)d,'J,tA 6 @d@tttD 9016!(i = 0.1 mol

. .. . qp. Ce.1.eQ.ptr A.Q. FSs4e.. ....: 9,Zl.rql.qT,:..

... ...s66(nr.e0€ A.€ordrql... ... .... .... .=.(o1: o75jr1qqr.19.:).mel. .... ......IC{J9.1)

= 0.025 mol.

(iD @a6Ja 4.0 o oE 9E6 g5€€roo8 SSEro t,E 986(3ro08 6€6'cDoA@qd o1o1Q@ adala:.

e'zo,E6en @€?Do (geb @l e€er6)OSde 4 iDo e,tr cooxt @B o('l

6dgcD @Oerd @e')oo.

(04+01)

ooi qg @O Q9 oaod

(0s)

(iii) aqg 966!.:3o08 @gac 5c,:oo (t,"*",) 1857 mol-r dm3 min-r ao E e.r:l ?'@,9q9 g66c$ooaq.don?r EO6ro lcd,n(3 ?$dat5-'ggb g56-cor@O 6@et)o R' = k tAllBl los)

sieo i#Ocoio .e6tt'dn-6iriiSrir'= id.sz 'iiijrli

a;5;i;:r; i.ii;;1diili' "id'ii;r'i;-b i +or)

(0s)

= 18.57 mol dm-3 min-! (04+01)

(iv) coo4f;oo3oocl Q C o: D 6 corajgo (04?l\6 6d6s')?s'e(,] t500 C a)! D oe e.i?tJg{6o5t8 oo?td Oo Qdo?tr qqge o€ 9to!$ gdtar6ootB qrC dot60 rno6o.

6@a@ot')e8 ec 6 ordgdDca

rige@rrt'r@8 gD 6 6)d96!ci

= 2x 0.025 mol/(1oo.oo I 10 3 dm3)

= o.50 moldm-3

= 0.025 mol/(1oo.oox10 3 dm3)

= 0.25 mol dm'3

(02+01)

(02+01)

(02+o1)

(02+01)

Al

02 - 66)@ O€Eo (@o6go€ 6o@Co) | q66 (c €od o@rs _ 2018 |eo6d Md66 qt@Ld 6€ 6do q6 19



6 @d 66b €edE66@dao

tr)d965(3 moldm_3

+

IA]

ID]

C O@co

D O@ci

(04)

(04)

roo@o : @ a{'6@cid ep6fu O er.dero, @6de 4 60 ero oo 6d'do q,€ r'r5?t6, OSda 4 ?Do

i'tr c eD) D O@ 666l' 6rdg66 .Ddr @O e'.Boo @A€ gE)eDo ge')todd€'.

(v) e3n5 gA€(lieOA .ooee6l'r E6l'6 K. caqor Snl)seztr(,] Sclc dO g('d g)66).,r r$d6rD.

(ooo@oor 6roexo;, K" = I9IJ9L

_ (0.s noL dm-3)'z(o 25 mot dm- 1)

(o.7 s mol d.m-3)(03s flol dm-l)

= 1.11 x 10 1 mo| dm-3

(0s)

(oa+o1)

(o4+01)

(vi) us e66€,e eq:'r Gsr:r s-:E.ooa (1,.,.,.. qgr ,jqes)?%{ia.dn3mi?1- |

.{:;'fl::?=:d-kf** ?9 ?P {r = -*L-ro-l.",ra ... ..... i:i:ot)

(vri) erc)Ae6)l')ooa d€r$ eg, .T1916) de(r | 00.00 cm3ol5a 86oo?'J E.e6oca& e36oro oqe6 ?ooa)eq. gcoso(l8 cr$tuo oq.t6 ?n€ O@eo t3od'' 966(i3o06 q!6eo, Egg (D6?rro Egod o6rJa@Jj:59ri6 :sdsJb_:ra a3rsiedn

IAI = 0.7;/2 mol dm 3, tBl = o 7sl2 mol dm-3, [c] = o.s/2 mol dm', [D]= o 2512 mol dm 3

9gO g56car@O 66'tt€{0s+01)

(05+0U

(03)

R,= 18.57 mot t dm3 min-1 (0.7512 moldm'3),

ertr g66car@O 6@t'€Rr = 1.67x102 mof'zdm6 min4 {0.5/2 mol dm 3)?{0.25l2 mol dm-3)

= 1.30 moldm-3 min 1

Rr>R,6de' 966(n)0 €e6 C@Joo Ag @O.

Orpdc, Aeepo

^ e aot dm-3 )'z e]: not dm-3)I)=-+- (-- mot dm ' t2

Q = 0.056 mol dm-3

Q < .t(, OO 561 6Mt' 9A€(,3€ eeb g@reo AG, @O.

(0s+01)

(0s+011

(03)

02 66)@ Oe@o (oa€e@g oooi6) | E 66).6, (e 6!g) offi 2o1e I qo6d 6"o@10o c.4€id os Eao cd 20



6 @6) O6b €eo,tleodao

(viii) gt'o e,5d,?jrj6(J 25 oC O o0 Cd€ibJO(.36 q Ag ,rod (Jr8 !3et5)?'ir. ooo onSonro o5)sd6 aee,r?rte?rJ oli)osi Q? oaod Sged (6dA QideBoJ t,oq,'J6.

ertr g6@car@O 6@t'r0 EQ @6.

od6t3)e cad,

to@6 @dd oroDco €,6doooo gor6sod @d6(cd @6 e4 ('166 eO@O.

toet

tooeooer ftlo)O qQ @8.

cH3cH-c-cH3I

CH:

B

"""""-] cH.rlcNr H

E

OH

Ict,cH,cH,-c-cHrI

cHrcN2cfl3

TI

ollcH3cHrcHr-c-cH3

C

IcH3cHrcH?-c-cH3

H

F

60t'o : chcHrcHr. 60€00caHTEC@o 6rz{D. CH3CH2

co€oo c,HsEgo5) t')t6.

96&oroo8

(o1)

(02)

(02)

(6qd 0s x8=40)

(0s)

a(a) = @a€ a5

a tu) ()Q3 = @r0A 100

CsHroO q€?5 HE(3 !.6E) A, B 6a) C (::r e.ourjo dEoz)o?s6 OJld $o3e68rs oO. tsooc3j@

e?r,o 2+DNP caoo 6,.r,!ri&e qododt3 ea| oC, A5t o,'do6l E ,$ro€E ca6:jtg3('oE Bq:s.o!Jnd ('?rrr('4. A, R t'6) C o06 oo5)o NaBHa tio(' 96€(,3. zodg 6i] A@eo@:d D, E amF o?') !i.o(.)&r Car gE. ll eo F .rgdzj 960@ r3OJOcaOd,6rO er3bjoS. Il 6s) C l5o5, oosjoCtlCHrCHrMglSr esoo 96€.:3 endoc, erJo5 cc8oed{?',(3 ?'€ Ao B@oopal G ao H o=rlsoe(Ji(n eao gE. c oodd 9r$16 l!0r0(.8?1l'r0 oo?,Jeo 5)6B A, B, C, D, E, F, G eu Hoc o&d) r-?')6r q ft6 el'€es aqzirJ. (6@r,rr tsoro<3edr qetl)ld @€3cjoo qoca! 616)

o

cH3cHr-c-cH2cH3

OH

IcH.cH,-c-cH,cH.

I

D

1"cH3cH-c-c113

cH3 cH?cH2cH3

t30e'o : D, E, F O@O @@€ g€re'o 66@ 6QrD) A,8,c 60.€ Eo 6Qo

G err H ro€@l @Q€ g€)oo 6O0 ti€ol B,c 5O.6e 86 646

(ii) o&zr logur:ri g65.ioo8 aco.d o5.o.r qql'l5l.

Noz

riot'o : 61066 gc4dooJ€t tr6d e.,.JOo qo@6 @6rs6. A €o€oo B @('J C ttlott .Dd

wdeto e'r qodro 6ou€ O@6 g ezd€to GEo€ g€l€to lDdd?'.

A (r) 24 - pNP(2) 86saa

02 6e5 6epo (@!o€go€ 6oofo) | e @) 6 (c @o€) 06'@ - 2013 | qodd @cdoo q.a€d d€ €rto e@ 2L



6 Gpo EoD @€oodogdao

(D) oeoo Q qla da,r (rd 966(J.o'0 ea)6 lsr'aasl d€|s66 oE@or qq?'i?'

(iD c6H5-N '

(1) de(3 NaoH(iiD cH,cHo iffi

(vii) Cqcocl

(' (04)

(04)

ocH3cH:cH-8*H (04)

ll2/ o.J.e?rl Ni(i) c6l-16 I50'C

tsr2 qad

Ht{)(iv) 1-ugr-" Cl

-=;--rAl (04)v

JE6 NaOH(v) C2II5CONH2 -- :

A

oc2H5-

-o-Na* (04)

(r,i) cqcH = cH2e::als H'SO. cH3-cH-cH3

(03)osqH

NH" o

"",-3-**, (03)

(viji) C2H5CO2HPCl5

{03)

(ix) C"H5OHH'/ KMnol cH3cooH (03)

(x) c2Hqcoc{ HcN",n,-s-c*. (03)

(v) G)?a4 @@) g@ 6ectr 0 tott Na @tt @@dJerdD eadoo qoGA @5)oO O-Na @@6 edo]e.doo @?a€ @{')@E@a.

(vi) oSOzOH Egoo et o.(vii) CH:CoNHz 8g@o et6@.(viii) CzHsCOCI 6gcDo et to.(i CH:CozH EecDt' etzoD.

a (b) : @a€ 35

(i) C q.6 oAt'e Egoo etdo

(iii) CH3C to. CH3CH=CHCOH €o€et) Gt@4 @et)O'.@a.

(iv)

02 - d6)@ Oo6€ (c@6€6o ooos@) | e 0o.6 (e @d Ooro6 - 2ors I Eood 6o@bo E aed 6€ 6ao 4.6 22



6 @@ OnDo €co$n€odao

(c) qroc&r(! s)g@A Q CH4 c5oo Cl2966c'coo od ocod CILCI oO. C4Clt'roq6., qel5|Jd(.3 o.'b.JDfj96€6:100 conlodod 86od e6nl,'r. 9oe!Je9C6r .s"€O6cr O€ a.gfog-qUa o6e (.)/^)oA6J qdDl'&t'

r\ar

Cl + H!CH3

hv Cl + c (04)

(081

(08)

(02)

4 (c) : @Ar& 20

HCI + CH3

CH3CI + cl.r) /-\nCH3 + Cl-Ct

------------->ooJ o{'oeD E6Od ro€ol

J). f;,fro('o : q6O dt'@ cF€ 6.doo, Od Od €66b8 (€€@) 6€o) OrD @Aapd (ol) e6d,

Oct Odd o@aDci eato6deD.@A€ O6A0 6€t'r gdoDd Dd E€Od dDcrdo

02 6..06r' OeEo (@a€goo o0606) | E,66, (e,.o€J Oolo6 - 2o1s I cto6d 6€d6, @* dO 6qB @ 23



6 ceo O@@ 6€ctb6€@dao

B

gdE' o€n!!o 606d agQdr

€@06 - @or.3{J65J6. (dd ord 9d6cre eQpJ l5 AE5.J ctoa.)

s (,?) rroD) oqro6J s466, E e6dj!).M(CO3)r.nHrOG) - M(CO3 )r(s) + nHrO(g)

M(cq),G) = Mo,(s) + 2 co,(c)

egolo 0.083I4m3I ottobc ?'d6i eq (ad agd,?o M(Cq), nHro(s) Bo go.66d (0 t0 molqr6' Ag('!.J cd6dDc: 4O0 K {6rob or8 666 eq. eoo cd66Jped E M(CO.), oejto sxaedoc6@6Jdb6 e6)roo 69d do5Abddc g dc(3 r36trb6,oozt 9rJ66066 oO. agoo)S eau)cI .60 x l(F Pa ao 91!) G)dJbr cE. oi5, Se, OAd q.rbJ !$Ja)EJ6r crgooo o6rde6tr o166, E)rS oA.

M(CO_,)r.nHrO(s) ssor.8 q15 .n'8 so<r EU6(l 6d'iEr.

M(co3D.nH,o {s) ) M(cotds)+ n H,o(g)

M(co3)ds) + Mo' (s)+ 2cod8)

oro6) I M{Cotz.nHro go*t!61= 0.10 mol

6@(0 oogbCDo(id o]do @6.

PV=nRT, t'€t'ocod

(r) 98)6 d{a6e..r5 dd.6de<i a:rtoB 800 K qdoc D16 roca eE GoOe .i?rj oejto tlrao,rroe6al dOgord(.zi 8o6id?ro 6 0!6 !sf,!r<.". so(o t5oae6o qr6 aD Bgrdo66 ?$dEJ eE age?'B 9A6,64.20 x lcla Pa ao quno?rl6rr ce.(i) E00 K A g agal Ae qr8 [email protected] qco8,r 8o6cr <o6a:6 z$d?'J6.

800K9 H,O 6 q)o6?D eo{'6n _ ns2gRTrH20 - -----:-

L.6OxaO4 Pa xO-08314 m3tLH20 - A314 I mol-1K-1x4OO K

= 0.40 mol

M(COs)z.nHzo {s)0.1 molOBd HrO 0.40 mol gor6!6d 5€e @6

O@ 56r n=4c5

o.4mol x8.314 lmol-\K-1 X800K

0.08314 m3

= 3.20 x 104 Pa

(0s)

(04+01)

(04+01)

(04+01)

s (a) = @[oe 20

(0il+01)

(04+0U

O?pdo 6Frp6 01

800 K6g908oe'6i,

9d @g@ g@rdpci, za

d@ccc6 @o6?D eo{rct

Pr = 4.20 x 104 Pa

_ 4.20 x1o4 Pa x 0.083!4 m3

8.314J nol K \ xEoo K

= 0.525 mol

= 3.20 x 104 Pa

((}4+01)

(04+01)

O?Ddo 8€od 02

V eol nH2o 5(3eD O.Od,d@@(36 @o6aD Eoer(g

800Kag=PHro = 2x150x 10aPa

= 3.20l 104 Pa

(0.4+01)

(04+01)

02 odx6 Os6O (@a€gs@ oo{too) lqod6,(e.@odOo]@-2013 lEO6d6.6oJO6 cla€d oe €aO qd



6 @o|!D O€ro .cFso6o€d@

(iD t00K6 q aE r 4€ q6 COzA q"E6 Soao @6,r,6 6drlo,

800K g co, 6 epo@rD Aoeto

Pg62 = Pg.1a1 - PH26

= 4.2xLd Pa - 3.2x!04 Pa

= 1,00x104 Pa

(iii) M(COJls) 6 Bo<irdrrlclo qqce 8oa aoe8oor 66'r<,l, KF 6q!oc gro'@:r'od800K8 q ffp @a65r6 6d?rJsr,

Kp = Pzcoz

Kp = {1.0x104 Pa)'z= 1.OO x 1Or Pa'?

(iv) E00KA q oeCo 6oaozdoo<,:6 6oo3drro B Qgs g6(orJ.c @6ErG' r'd?"r'r,

@60orD g066 = 0.10 mol

torgo CO2 90)&6 = nco2

Pcozvncoz = -fr-

a.ox704 Paxo.08374 m3 3,2XLO4Pa 0.4

(@+01)(s+01)

e6dnr.

(0s)

l04+01)

{04+01)

(04+01)

(04+01)

(0s)

(05)

'tcoz - oo,1,0x104 Po ncoza374I mol-rK-lxAOOK

,co2=0125mol

M(co3), E@6Jd€'(o I gSoocs = l,t eloem I co, g@rdpo

M(cot,6 oo6Jd{ro g og@ e6<crl6 = o*:;s#r x 100

= 62.5 Yo

(v) qloE n ddo 6ocrj oejo 6!Mo6A Ee(!ldt'(s 6+00 a?rirrcF oot'!. (dH) iloo kJ mofroO. q€dtlt d€e8 coii!. (ASI @666r ,ndEit

oeo6c tooa6ot'r@O Wtt. OO 6ts) AG = 0.AH

T4o.o x1o3 I mol-7rD = ___-;;;7__

AS = 5O.OJ mol-lK1 ooi 0.05 ld mofl Kl

60('{r : A5o , AHo 6€@o €ot('.lo.

M(CO3)2G) 6 Ao6idl'' 986{.ra gES Eocoo og)€ 669 oqoc 610 cgpd o<Jldarc odrdar.

odbdoco oc6 560co,9Od 66@

s (b) = e@€ 6s

{o3}

(02)

(0sl

(vD

@ - adloo 6eEo (@io€eog 6O6OoJ I e66 (e oo€t 0@@6 - 2013 | qo6d @@6 eFacd ts€ E 8o @' 25



6 cbtto O@E .cEito.Od@

(c) a!t, dtooAzr O€ !'r DeoOA E ft6 q3l' qJfildocrsJ aqbo! A€,rndr !]o6rrin.

8odo.o !.oor5 cr*$(a) al'Jarc!8{j (AH_) (kJ mol-'r-MG) 0.0M(c) t00.0or(g) 0.0

o(c) 249.2

MOrG) -400.0

(i) MO(d + 14 Or(g) "-. MOr(C) AH" = -50.0 kI mol-r oa q qld?',o MO(d A .600la c!s64rod?'Jl'rc!8ce o6l')d loddl'),

AHot

M(s)+ odc) -------------+ Mo{e)+ % ods)

Mo,(c) (02+02+02 =06)

60('(D , @o 6€t'r @a€ geq)o 6A@0 €{r06rD oddo aq.'d oe tre eo6 9666) @o E6Gl.!6.

MO{g)6 f3@0l' ed€€e' Odt'zdA6, AHot

AHor= (-400.0 + so.o) h mol-l

= -350.0 U mol-l

(ii) MO(g) I M-O arJoa Sreoro drr3olql86r oooo rldu&rr.

(04+01)

((M+01)

nozGl +

AHol= 350.0 U mol-1

M (s)

Mo(E)

II

I+ ode)

AH*o

-------------t M(s) +o(s) +%o,{B)

----------> M(s) + ods)(02+02+02 +02 = 08)

rloo(' : @o 6Qor @A€ eq]{06 6AO0 eooSro tDddo 6CaDd oe OA gt'6 g|56loJ @o O6eao'

MO Odoet 660€r OeSt'.G,B @Oefti = AHfAHxo= (350.0 + 800.0 + 249.2) U mot-l

= 1399.2 U mol-l

(04+01)

(02+01)

02 - d.!o.o{r lhEo (€e&e@ 6OdO6) | 4..6r ct. G..o€) O6)l6ii - 2ols I qo6d 646dolt qocE n€ eao qlo 26



6 G6) O6)o €eo*ooodoo

(iii) MOr(g)A M O a?'Jo6 8eio,'r euJr'ldg(l ('€6Dc 666J4.

aHro

Mods)

AHt= 400.0 kJ mol'1

M(c)+

+ odcjM(s)+

I

IodB)

20(e)

Il

I

M{B)

AHo3=2x249.2hmol-l

AHor = 369.6 g to't

(02+02+02+02 =081

60o0 : €b6 6€o) GA& gEre'o 6600 6neEd oddo r!€od tDe 64 eo6 9566) Q@o E6€46.AHyo= (400.0 + 800.0 + 2 x249.2j A motl

= 1698.4 U mol'1

Mo, 6 M-0 OedoeD O60e' Od.'ddE @0{16 = % AHyo = 849.2 U mol-l

(iv) 6o\e6 6)okJa 4a@d E nr 2000 K n q MO,(g) --+ MO(g)+ h Ole) s6€..'ce doo"84d 6a q(a

dS6 ('5?rr.1 68od oBEJ -oodj5o6.r lsd6l6 soo 966d3eOO €&oE) ddJ€t8 ogb.3

30.0J lcrmol-r@o.

AGO=AHO-TA5O

MOdt) -----------'----+ MO(g) + % ole) 966610 6€eor 2000 K 6 g,

AGo= 50.0x103 J mol t-2000 K x 30.0 J K 1 mol-1

= -10000.0J molr = -10.0 U molt2000 K 6 g 966<0€ dO(ooAdA GO.

rsoo{D : @A€ @AJ g@ e!€.or tio@(' rDddo €!ffiO qO@6 cO.

s (c) = 55 oa&

(04+01)

(04+01)

6. (a) q8g go u{oA6d c:qa, dso (A) or ,r'aEb ere,'6d (B) qbJ, q65?'J (L) A or5)d6 .6..s{65'':

8Udc5 8go €qei' ogid{,aJ.rdi AG Dd!., eE.12 sge 'n' t3'aErod qo.e R n 20 00 c 3 co@ A I 20.00 cmr Ag bd tsrod cd{6doscJ qboe€n?rro(Jc oq$Oo 90t'6?r e{.A 5ct5tloc5,i 5.00 crnr 8(Jrq(o6j ged 6d d.J 0 0O5 mol dm 3 Na"SrOi 9O63d i3go qaobe'zt{3

SgeorJ A 6ercaocj l, corbjcd<J 356.r EJ?'r cq ezjl' edltlc3 ear .DrEgo gol!'j9 NazSrOl

t369bD 22.00 cm3 E(J. B ?!)cro@c:8 l?fl4!56 0.O4O mol dm j ao 6U6(J :sd6r ce

(i) NqS.O. or I, q6i6 s56(Jd 6q!01 aeb dca.6a?$ tooz'ddo e65J6\

2Na2S2O3 + h ----------+ 2Nal+ NarSrO6

6e'J

2SzOr'?- +lz -------+ 2f+$Oo'z

(ii) A :5e3ca6€8 I, €3rri96.. {c55(3 5Jdl6).

z2-oo c1n3 xo.oos mol atm'3A aD@)€(9 eg lr 6 6)d€6co = (04+01)

(04+01)

(03)

(04+01)

(04+01)

(02)

(10)

2xS,O cm3

= 0.o11moldm-3

02 - a6)@ El€@o (@aSe€O 6OdO6) | q,€6) 6, (O €€€) EoM ml3 I qo6d 6.€@JO?' ez.!€d 6o EaO q@ 27



El @oo 66m acoSb6€dao

fr-l(iii) c6rrJA 6".9otll.r Kr8 c'oL' 16?1c: sosir,. K,, = f;jjL oO.

L'rJA

I blpEttlct eioA6!?D(3 r(D = IL; =

Ko= 3.64

(iv) Aor B agco @\oo8 q16 pd

90 l, Og@ @deo

A ?t@)oco eg lz & o)dgd'ro (0.696 |' D?DA t[)9 OO)

tl,lA = Ihh/l(Do.o3omol dm-3

= 8.242 x 10'3 moldm-3

A to@r('@c56 5.00 cm3 6 qz6 h gOl6D6 = n

n = 8.242 x 10 3 mol dm-r x 5.00 x 10-3 dm3

= 4.121x 10's mol

o.o4 mol dm-30.oLLmol alm-3

12 oge 9oc5c5 66?tir lod5hu

(04+01)

(04+01)

nL = 0.O4moldm 3 x20,0 x 70-3dm3 + O.Ol7mol dtn-3 x 2O.O x 1o-3dm3

= 1.02 x 10-3 mol

2 x (04+01)

(04+01)

6 (a) = 45 marks

(b) A $ert,.3o l-06l') ose bq g.tl' ogd@66: OO l'dE ir (3i,ed Q g aErg do Cds6JooiJ E toc

gO I,g'o3€6c] .or 39 oSorosi i').E6or,r5J saos) €g DdD eq. o4;5r o.orq5l 15€t'l 6oAe65bo6oae&oJ pc o8a: gQ. A agroooS 5.00 cmr 8(r1Q:'a dr6 I. e?trrr6!. 690 caqlft eo!s, g0.005 mol dm'3 Na2S2Or grod r:60r€; 41.00 cmr 3i €osJ B :5c.oe(38 l, c:r:Igco0.030 mol dm " aD 8U56 61d6 e8.(i) A !fi B 6erri EIt6 12 I o)t3d.6c 6Q:ot obrd6 ci.q65{r eq6rs ?sd GrAe?t} A 5e*jooa

5 ,00 cmr A 6Ac3 ga .rr8 acra.3'66d€ 01,) l. 5'0r{6(- (oge) o65<5 tsdslD.

(ii) ee':5 eEoro6r,ed Q NqSrQeo,r 9866. ?td5) e{ tgors€ (ogel .o€6axo 5dbj6

qcaOBO Od?De eE A [email protected] 5.OO cm3 5 q.6 l, go)!p6 = n/

{0s)

(02+01)

(01+01)

(02+01)

(01+01)

(04+01)

(04+01)

Dl'is?l) osJqr8

(0s)

(0s)

6 (b) = @{D4 3s

n/=O.OO5 moldmJ x41.00x 103 dm! x 0.5

= 1.025 x 10{ mol(6rrj 1.O3x1Oa mo|J

(iii) e$5) (r) (i):or (D) (ii) olarid cc\.')r calo6J 8glDdr o6eb55J soa)dsrq,rooo& qc8 gao qa8?rt Dn(d@ 3("/o@?rj .t|')tqe rj)d,'i5)

A cDGDer{oO qcaOBS Ecoo OdcD€ e6 h erl t O6De E h-62@€8.A aD@lrr6 NarSrO3, rio(D q€Ore(Dcs Oe' 8O, h O@d 6€('d Oo t, e NarSrOs

rsolD 95661 6D66. O@ 6or n/ > n,

02 - adco Oeloo (€aSe6O ooof6) | q 6) 6. (C o(,d Eom - 2OrO I eD6d 6dat6@ -.iEd 6€ €Ao e.o 2A



@ GEd) Ooo @€orboo@tto

(c) X to. Y .rn) C. 6cad 4oo65 qt}ogb)(J 6J,t tl5tst16 5rD6c,FJ BrQe

drooci oosE q(A t5E oUo5o 6d2t eq Q.c) asftloo gesJ X go(J (Jo6?sJ ftlgo b6.t' eq. go

O@@ lA t,od! (oEOEJ t3?ps<r 4O0KA E 6o€el'll','o6o d€Soo 90 .oa,'J ef. agcba ao563.00 x ld Pa oe€ or?') oirlzrl eq. eo oooo l8 qr6 ge ordo ?'ceelod ogol)o 4 157 dmr 33

edt u6 Y goci 0g6 ega glee 5d X eoe 6oo Ae 6d !,@6.! 400 K E q doee€)t'ro(3oo€.&oa eo r'65l €q. So oooe I 6 oodol o616)r eq. co 6e't36(!A X:Y ege qaabbd l:3 ao

".'*.'"J€ eL99*-A 8o-" 5 .00 x I 04 Pa a

(i) 400 K 6 Q X 8 craioac9o ccde Sa5)(,1 .9od @D qt

x 6 riot'adtD Ode, 8006 = 3.00 x104 Pa.

(ii) t3oee6rrtuoo64 E Eo tsercrocJ X cor Y I ogc ro16 oa65)(l l'dur?').

eO a$.or3@d X E 60o toroo =..:(1+3.)7

= - @!'J 0.254

eO aD.onr@d Y E @Olo eo)C'ci =

-(r +3)I .^--

= - GttD) u./5

Y,6 roooadD O)der Soer<s

4.25xao4 Pat o.75

= 5.67 >< 70+Pa.

grQe 35OO

OOOo .3.I$8o 6q!oi Acb?to!

qe.A?b 8eEJ(! .05?16! :5dnfE).

(04+0U

(04+01)

(04+01)

(iii) Y ozo4 og eJH clo4$rsrolood { X A

ro@e@t'('l@5 g Pr = Pro XA

= 0.25 x 3.0x104 Pa

= 7.5 x 103 Pa

{0s)(02+01)

{01+01)

(04+01)

(04+01)

(iv) ooqQoocood { Y A +'.8?r SDDC3 @6?'.3 ?s5z'J5r_

= 5.0 x 104 Pa - 7.5 x 103 Pa

= 4.25 x 104 Pa

(v) Y I csaiooda oilt r go6c! (D651(.: 6dnJ?r,

(02+01)

{01+01)

02 - d66@ ebEo (@a€gog o00106) | 4 oor .r, (c..€€) 0@6 - m13 | qood 6o€onr' e.a€d 6e eao ct66. 29



€ @b6) o6b ocos6.O&o

(vi) No 6e.oeo8 qrd X lor Y I g€ir6 (qgeoe?rJ) o6?tt6t ''d5it.Otr rD@)o€d q.5 x g@cE(o, n,

7.5xaD3 P ax4.7S7 xlO-3 mgn =- 8.314 I mol-r K-a x4ooKrx = 9.38 x 10-3 mol

O@dO,

4.25x 1O4 Paxq.ls? x7O-3m3

A3l4 J mol-a K-l X4OOK

= 5.31x 10'? mol

((M+01)

(04+01)

n^,

nt

(04+01)

(04+01)

(vii) X !o3 Y go Og6(sd !).6r$ qr.rotri(oo locd')6 6e Ao 6oE?o o36D2r 4a65J !€{,6 6oo6t@otge?rJ $c.Orr!, 6 AO o0 RA .nq!o2rJ !sdn&r. OAo<t 8eedo @dqo/ode qdo6J6r.

Ytro€(rJ(D(r eggo @O @o !r.,!D, (o5)

Y cco Otud Ddo66 60o6]o6 @6. OO 5€i) Y 6 o]deo ep6oo @€Ced erego

@d 60. (os)

rlolDo : (viD r!€o) @AE E€)o6 60O0 Pxo rlo Pvo 6eo 6gQ6E @,bo6 6d 666 EAo.g€ddoo{ro oCo@ tD6o @€ Pxo 6(' Pyo ECD6(rd E€O Oo EAo.

6 (c) = @ta8 70

@ - d.asd OarDo (@@tse€tt 60606, I q.6).6. (o.@€D O@ - 2ors I eo6.d.r..6110o wrn oe eoo ce. 30



6 @otD) O€o@ €€dE@Odao

7 (a) er8deoo E q(6 dtBroE.rqB oontCalar

Eo! eros?d todtr ?sd Oa olorr t!q.!'zrt croobaar 89 adaloal oirod

C2H5C]I2CHO + C2H5COCH3

daloo eOE eladeodeo NaOH, HBr, o?r!.rgc' KOH, NaBHI Ht/KMnO

mod o6od6ao eoOO 7 60 O& q6 160!r gC 6.

NaBHac2HscH2cHo ---------------- c2HscH2cH2oH

(e)o('ca sor6€@)tt6do)

CH3 sPNaoH

HBr > c2HscH2cH2Br

scH-I

OH

C:HHPrv2n5en-un3 <__r:__ C2H5CH:CH2

IBr

el5to)Jro -Oa&05x6=306oocJ6' -@c!405x5=30

7 [a) = @aE 60c2H5

- c -----{H3

60!'o ' A{oOd 6o60 Oo) 0.6{'0 G{06 60 €€)e'6 @[email protected] oo CzHsCOCH3 6r€or €erb 0€r{'6 @ordddo.(FO a@€(sd 6O.6e AE@6a oolp 660€6ol'€d AO 0!69 A€A6d (el66n6od srDJ O@6d O{€O{D Ad. @AA rodde'.qo6r{'6d AO oEdg aga6d (gd6)diD6d €od d@r!i €EoOo a6z @a€ dd6.gdo€ @A& O{oA 6ddo. qt'doic qz6 €eIDOD A 64.69 E6O6 .!€t't etD€ €€}ocooro6ed€r.€l6toJ6tD6d 6c.'r @@8 €O) eOO 666(itoo or OG|(! coo 6OrD@ 6o.dg 06 Oao

(D) croo aq.r?tJ 9B6(.3 lioooSo 6OEb6 5go 6qor R,-f,4 coo X,_Xor!r0 y| y2to$u)c(0aj:'J.

c6H5-coNH<O)-c=c-c4

H:N€-cH-cHcH"

02 - 6@) Dqeo [email protected]€969 croelor3) | q,€)6 (eo6€) O@@ - m13 | qo6d @€!Oa ELa€d 6€ €4O a'66. 31



€ Cp@ Ooo .cotnoodqo

(b) &.= c6H6co2H

X2= C8HECH2OH

Xr = CoHsCHO

(06)

(06)

(06)

(00

(06)

x.'@)-c"o

",F

&=

Rz=

1 LiAtH4 2. H2O

FeCl3,/Cl2 d

& =1.NaOH. 2. HzlPdlBaSOa / troarE{t eo,1.NaOH 2. Lindlar/ H,

.!06o ! e|Q€ (06) @fu g@ 6€!00 NaOH qO('! €{'too,

(06)

(06)

(06)

(o5)(@a& 06 r 10 = 60)

z@) =6aS o0

",= ","-o-c=c-cH3 *

"fi-o-c=c-cHs

"rr-@"":"n-cu. ood Hff-e-cH:cH-cH3 (06)

o('d H,O/H.

Fe/Cl2 @{td EAd qg@/ C1,

oa - d.d6o O€eo (GqtEoO .rA('oo) | rioo.6. (c,a€d Ono6(; - 2o1s I e&d 6..€B00 @a€d 6€ 6@ qt'. 32



Cl @oo E6to oeoltoog?doo

Ot'cto orbcDcg

7 (b) x,= gupru69rx (06)

cHo&=

(06)

(06)

(06)

(06)

y, = H,N-{z}-cH:cH-cH3 * n,"r_{O_cH:cH_cH3 (06)

,/^\ @Yr = HrN-( )Fc=C-cx, "rJ n,ru c=c-cH3\:z/

R1= Fecl3/ct2 d Felct2 @.tJEffieo@/ cl,

R2 = 1. LiAtH{ 2 H2O €.'l H'o/Ht

Rs: PCC

Ra = 1.NaOH 2. HrlPdlBaSO4 / d5€6r6d ooj1,NaOH 2. Lindlar/ Hz

60@0 : €80€ (06) @to gO tr€cDr NaOH qO@6 ooroo.

(06)

(06)

(06)

(05)

(@{o€ 06 x l0 = 60)

7 [b) = @{a€ 60

02 - 6616t' IIAED (@a6g6o oo€ioo) I q €or 6, {e,6o€J O6EE 2013 | eo6d 6.€@too 4.^Gnr 66 qaO e.b 33



6 c.o) 6o)o oqdbo€@d@

(c) (D t:l'lr cq?rdj 986.3ro0 ot lesi6 a.Ltl6.(l2HsOH + HBr -- C2HsBr+ II2O

oR H*(02) o* ILB?-(qt)(o2l (01)

oc2H5-o

n+BT+ H-Br

(|(01)-

(o2l

t)rC2H5Br+HzO

6 @6b56 qoo!

(01)

€O. Its66 Eod qo@6 o{rr€4.

c2H5o

c6H5o

(o2l (@e€ 10)

(02 + o2l

(ii) 9oo oqo5J 96S.11{] bda:s'O (mrcleophilic) qr6Ci' g86c3cod q DiboorLj eoc!5j(}Ej?D6)'g(elcctrophrlic) qr(}{-'l g6€6.s::1 ( o5l5 tlqd)zj iod:'jb-, q?s o8q Ag,jJeolJr.18c(,! ooj9oelsl63o8ee lo.q:iro?'lE)

Btrd@@cal3€io€p@e@et6, Bro

(iii) 6oa;iC (CrHsOH) 60 obed,iC (C.HrOH) d', eul3jrc <aq:s EEiSai ocr qrees o?'[email protected] aoiqr8 (teje qSObJ €qoal sd?tir. (cjeg 3.04.)

(02)

(o2)

60.ro , HzO q.agd D6 @.d@@ 6@o6lDorDo Gla€ (01) O66d e€6d GEe6.

. gc'er €ooe@t'nr qtt6d, E@{rJd 6 6oe@tt Gr@5c4, ot'@etjd6 6OQ6tt

cl€E(io OOI 9e6(ro o6@d66.

. @0C30 @drDo, o@ojdo€O ear@drEo O@dO qcoetoc$ dolBoro,e6dottl@ttldo@O €3)@dffiO E.d@?DxStoEA E(oo@cB dor$o€o oa)oc6 6oE.

. O@dO ecoer@6r6 e.5oer o.6d oord do)E @o.

e o@g6do OEeE e.go to€etle Er@oroxdo86 Ecoo@co6 0065 qr@d:eret Mo)et@(' 6@d eozo./

t3096rS0 O6n o.t'.. 8@old, ot'@e'jdoco otu ero@rD @O

(02)

(02)

(02)

(02)

(02)

{02)

c2H50H

c6HsoH

Hzo

Hzo

@Hgo

oHso

7(c) = @a4 30

02 - d6)@ eh6o (@a&eo@ ooofo) | q @.6 eood e@]@ - mr8 | Eerdd @€o5oo elr!€id 60 gao E@ 34



6 @<D 6@D @€orbooodao

C aarocn - 0060gd5) c€tDroo rig6d Agr2dl i3(,r.la'ar. (od od gld?roo eQ.& 15 at8t'l cio€.)

8 (") P 5)O gg.3 elo{6l5 bi<nd6) oedd .or q.5)i<.5) 6€6d E|J,A oO. oog ?s.or"16 t'r al?$r@a ofF!61&6QrDr lro') 5q$d, l]&rfed AS 6d?r Ot.

daoroo

o5d{r@o 65dcdr(i

6re6 HCI @S5J P qco€ooa 6!d e,e€.6 Aert HzS

4pet',o lsd6) cq.tlrorq€ ercnt(JIsl cro&.

HrS A.:C,C o qori tbr edr e6):5 sros;lj 5]ooo eE.orlg HNo. a"g 66o.:ri dlre ls<J 9JD6c3 Eogdodidd ?$dai cq. crg€ gre6(; €3C :sd, Ntl4Cl,l{H.rOHohe 6d5r cq.

gg],Ji i3i?Dr6 eed@de<'rd {Q) eriae.

Q 6cJd, ao6l 6d ('ed5,6 egx'J IlS Qec6d !sJ!,, cE. cro'.1J6 eror6 eod.id."5..6J (R)digg..

R Gt'dr 9A6J:sd H,S Aocje o et6l Ozr adt 6.rJeboo!) eE. Eo{,6.ro (NHa)r(lOr e1$a h'dE, cq.

ort ,?Ee irrdd:d qr@a.

P A qgd o6EO6!sO 6)e,i! NaOH dba 6dE) Cq. aao'e.arg uior6 arzdedordJ d:',e! qDdodc(jEJ eif:&.

QtlrR6d6D!c 6ald@@!(!

e,.-q$ q$i6 grgd;:5!5i etp&.

(i) P grodeo8 ql8 ?rroc(36) €€a! tor Ei6r6ar ogNr, .o96c.c?dg). (orda aDon 6tlo.)

?D60)(ier : Fe2* @) Mn2*

@

oa.],

@

@

o

@

(10 +

(08 +

10)

07)q6ol(oo: SOa2- (t) Br

60cDe' : etgg 6ocdg E or(oer{o (08). @eo{r @€t)c3e'(3 (07)

(ii) Q to. R .r8od!5ee dca1..'E6 h€ ec!?rJs!

S- Fe(oHh

R- MnS

(10)

l10l

6rat5 ll\-q A Q gc6(3 6d, e3reAed .'oc s,usi6:.J

g€ r:ll!.8 {ii!.iosrers 6116, odraea qoc<lrs R eo6(, =ld, Cr0.6oo |'A?5) NaOH

ctod€oo 50d6c5o

I BaCl" g'oscrsl Psec d:sA tsd5) cq. d6 qcdod!,ad cr€6.

II Bg eo;dedee oudr @o5J rod co6Jodo<io 6€bHCI ad 6d6 ee

69 qod('dt5a se{66 o?r'!l&.

@ II E orrd5)eat'l @z!ro!!!$c Cl, qoJo liJ dc'ei6eoioo6e ls6 Eg.6<3 @$rqd @!areo6r eq.

doe!'6E l')io d5)d6 6sr-Rqd.

02 - ade) 6e6ro (@a€g!g ('0.106) | q ao.6. (co6g) Oq6 - 2013 I qo6d 6.66don .F{t€d d€ 6110 (Fo 35



€ @@ €'op @€dlr6o6doo

(iii) (J8)b) 6q$,rl.r4ed eq$r dJ4 oq?rr:rJ:

I. 6,10'<16 6qd)c (a c6E sd"oyJ Q HrS eeEJ 650

. Hzs qod @erlrDgi oetrd NHqoH/NHnClotoQ Eg AO Mns/Fes/ lv cDr65a@cJ

cDzor{3er qo@adee OOO 90 q.tt. (10)

@C'J

. €3rdg HNo3o6d Hrs t3dob ooo OdBtDddDGs O(r cD6@ (05)

. HzS gOd oe'rDe @et)d 66@ t3dob Eod@de(Jd erodDo a€6ug6 erzo. (05)

IL rerororr aqoc @ o8:ioo;eoj Q 6i6js HNq t3oc) dt'i 8ao

. Fe(OH)z 6 K,p > Fe(OH)g 6 Ksp (051

o@ 5€o) roogbdD Eod@detetod Sgog 8d€o Fe'?*e63o Fe3*OOO

FrAF)h,5\rr,.3 r1\e /3 rrs (05)

@tt,. 6rDO E.der@ Oco @ood EdOTOO Od8{DddDCo 6bO t3eor tordg

HNO3 O?De tDg 6aca. (04)

. q)6@eood g Fe3*o@ta q65o@ Oo HuS @6d oodd EGr@ OOO

Od8er66)G3 O 5@4. (02)

. @ood q.3r' NH4oH/NH4cl €Jo6rco o6d trbd o@co qod@doet(!

@eDl@O. (Fe2* et) Fe3* EG3et @€6pcod @.@A) {04}

8(a): O6)€ 7s

(r) .'ea, o?r,:jb s)]] 6ri6.j cd)J(l61 X Aqrrqo\a8 qoo.! @o X I ar8 ,ecD IJo @rsrl9b AdqjEifl3 asoeq:r. .3I'6) €<Jloo<i Ag Ed€) eq6('1oeo

r?d6ioJr56 ('eJ.t @aaj t5d qodo€s6 (Y) o, or5da)a (Z) @dE) o{-)!)o Ado.Crss,(j :'dD ctqododo6 (Y)

qodo.do6 Cgi dce<rg gos(! 6J6 eq. Iqcr().r g.o6oE5j or59d srj ?id6 ee. b.,.(J13)16 aoi'JeJBdd $O& edaj(}dtjc1 Gsdr oosJ bcr l5e:5 HNO|S gdon.J 6da Cq.6i,$gu.nr6 tis6,r:d (-tf!6 <'oe) err€oc oregJ KI cd 5)d, gc;i 12, Q6o:r€ (9Ca gdJ,j l9!$al0.100 lnol dm'' Na2S2Ol eoc, e?Or.5o,. E.JEr eq ej!', crjlrx, cr6e ${$r qgao,Na?SrOr s6'9rt 2-l IO cm3 Ec. (q?o1)cbroo NOr q..o ad) 6i'md, ar cu5rdl6b{] r$Jst6.r

€odsr (Z),sui5)o CqjEsr E)tJ ode d:t3E6 Kl dzrt odar eQ. 6i)l I., qg3?,r o(:s eijo.r ('3,qr.

0-100 mol drn 3 NarSrO. so. (3pcbcebd ad6r (jq. aalo cC!?r(l (:(Ao cAe, qeo, !!Na2S2Ol esor. 15 00 .mr 0c.

(48j Ad6 e.ir. .)pls HNO3 3 rd{,ii3 .rU ..re :o. ed d56irr€,ido Aj("ic os€O .i6co6Cirb.n dajar.)

0) X A qo,e ecb !', onEt,tt d6)l'JC 966b q_-a66 t!)d6J6 q{j€ eoeJcrddl A 4€6 Jdrd66)$6lodai e4Cz)

02 - d6Eo De6o (G{a€goo o0o106) lq@6 (e@d 0o)66 - 2o1s lqo6da"46bo qzr'eLt 6c c4o q6. 36



{l @@ ooo .€6]!@00&0

Cu 9o]dD6 S66 600

2Cu2+ + 4t') t2 + 21ulSTDJ

2Cu2+ + 2l ) 2Cu* + 12

12 + 252032' ) 2l' +

(1)etl (2) d Cu2+=SzOs2-

Szos2- @g@ odet

DO 6€ Cu'?* Og@ ('dDet

Cu dodOco

OO Sfar % Cu

----.--(1) (os)

---------(1) (osl

scoo2' ---------(2) (051

ol'J 606€ d@O$docaJo6ca ('Eor 0!60. (O2l

= !J9" 15,e (o3l1000

= 9f9* ts.o (o3tt000

= !!s " rs.o " eg.s (o3l

1000

= 0.09s c (031

= 9!21*1e6 (o3l0.285

= 33.4% (031

(@{o€ 3olPb OOICD(3 ffi66 660

Cr2O72-+6f+ 74H.) 2CF+ + 3tz + THzo --------(3) (O7l

lz + 2SzO:2-) 2l- + 5rOe2- *------(4)

(3) + (4) x 3 C|2O72'=652O32 o('t SOEde d@O66@6o5@5co t'€erl 0660. (03)

SzOe2 Og@@dret

crro7,' @gG) o6Jet

2CtOa2' +2H+> Cr2O72' + H2O

OO 5e3r Cr Og@ @dr€t

€Dttelo qodqderci PbCrOa o8.

OO 6e$ Pb Og@ o6ret

OO 5t31Pb d€EdAca

OO 610) % Pb

0, t0 ^_ ^10001 0.10 ^_ -= _^_x 2 t.u6 1000

I O tn= 2 \ _X_X/t.U

6 1000

t o lo=2X,X_X2t.U6 1000

^ I 0.10=zx_x-x2t.uxlul6 1000

= 0.186 c0.186 . ^-0.285

= 65.3%

(031

(031

(03)

{03}

(03)

(03)

(03)

(03)

(03)

(03)

(@a6 401

c2 - aa06]o lkpo (@a€966 o0o06) | q a6.6. (c..6c, O@@ - m€ | @6d 6-o €6 ,r''!c.r o€ Eqo Eb. ?7



€ GFo 06@ acEotd.odaP

6ado Eeo6

Pb g@ldDco 6DCDG 660

2C.O42'+61'+ 16H+ ) 2Cr} +

lz + 2szog2-) 2l- + saoo2-

@t'J

3lz + 4HuO -------(3)-------(4)

CrOa2 + 8H*+ 3e ) Cr3+ + 4H2O

2l- )12+ 2e

tsOD66O@d CrOn2-=3SzO:2'

s2o32-og@ ('dD€'

lz @0€} odno

Cr3- Og@ cDdg€'

OO 6to) PbCrOl@g@ oeDet

OO 6ri) Pb Og@ odDet

OO 610r Pb dcDdolo

OO 610) % Pb

(ii) Y qoEiod3., OdeCs<6od g !od?nrtod q?

(Cu = 63 ,5 , Pb = 20?)

6d eO - @rDrg e3r0

ot'5 6o.dg d@ofi6@co5o56 eDE€t) 6650. (031

= o'l.o , zl .o (03)1000

= | *o'lo ,z'r.o " {03}2 1000

=?,!,0;1,2,zt.o (o3l3 2 1000

=9xloa

= ?' 1,.919* 27.9 =e"16" (03)3 2 1000

=?,!,W*27.g =sy1to (03)3 2 1000

= 9xtoa x207 g (03)

= 0.180I (03)

= 9,.1!9' roo (03)0.285

= 65,t% (03)

(30 marks)

qaoro:')odS qnlt') edo!c{,i Q Ctoot'l OU<6 Acderc6c!

8(b): @a€ 7s

02 . dd6a oeEo (@a€eco oOE€6) | q..o) 6. (c€€D or$co - 20€ | 4€bet 6.6do{' €Fq€d 6€ €ao cFo.

(0s)

38



6 Cd Oor@ o€oiododao

9. {a) c,$6 31.o?rt gdz) rrgd,J<r .3s dJ a{1s o(.rg o6 (,q6o oO.(j) o(Digo c48o6d.6!5c Q,o,s 0l'l !n3l'ro1J crg elDd a)!rb)ar?,Ju). s\rjed c6E€:s6.6(J 8t!oai6 9j) gEOLlcb €C6d 6qto5,J ,od?rjo).

@('J@(i e,4€OO el6{D OeD nOEJ(')6 OJO

Coz, No', Nzo, o:, cFc, @o6dd, order6@ ttE@OrDOd (03 + 03 + 03)

e56e,)€p :

. 06oxDed€r e6d OGdO eca6o

. @e@adD dol ooetd8o

. @69(0 d@r@ 8e6ero

. g€g 6@@d t'ro g6ld6eco 6te) €teDdAO to6tt dood dcl@(8d caOOO/

9€g 6@ @OOO etDg coro

. iDJedt'ldeD6dgco

. etroQ d@co 6rtOO

. @odo OOOdO(oO ctrSOO

. 6@6d 96 A odadd eoldco eaoo

. qzrr.O aDa@ @eEdECod OtOrtcoOO(6€rz0 o€€Dd)

(03 + 03)

(ii) G}C qedr ac,ont A€3l .n5 r)ar c\b€(J .rcg(.8?, ()ro€ .3.DqrJ gbo E erE' co<'r c)to €cr€ ocf:otod de ol'JdD .36€8(,bJ €obd 60 6qlD) 6rG6o qe €€6 q..!E) rJ5) do.E Od (oiC!ro#

e@@ 06A (03)

(iii) ent:l (ii) A og:rmzJu'r eq <:rg686 oroge dq.or ouJA 06 dtu:s8:o Aodt:l a:o atoatg.j.o@o !).aed 8€3, ae.groo ed E<. $16 sc 6)d*) 6dro6caat arDd loqE)aj 6d?rJ?r,.

sor/ so3 / Hrso3 / Hrso4 {03)

0oe3.@0 @ffdoo 6@ o6l@6. pHq(D6 (eOO@) / ep@Oo?rro (06600)

. @O65?DO (O.6D@)

. 066 @@5t' q63er fi)dg@co (o.6eo)

. ct8odo(o (0Z600)

. riderl6rDo)O (O66EO)

(6oz0 arrd) (03 + 03 + 03)

02 - aro6t' 6c!oo (@ia6E O c'ooE6) | E.@,6, (e,6.1€) 6t'r@ - A1B I qo6d 6.€o106 44ed 6€ qlao @ 39



6 @oo €@@ oed)be@rdao

0v) D,[email protected]'jeecJ Oeejz, garjs 6o6ar DJb (gr8 6ob ct).t qg ,rJ5) tlJ8cgb l!(09 (t rd3)6z)ro6b @oo 6o5)d gO EgDaJ'6EJ sal'd Rg Aeo d6c.)5a 6gbjd arordeoEJeusA€'.:?rJ o1b.qe 6d5Ju).

goro 66rco5tD A@iDP (O@6Jd gor6e(o €'og 618)

o6@de cod

Oreroo@ 8O)d 9@06 NO"eAoQ @8.

NOr(e)

M * o(g) * oz(s) ---------------- og(g) * tl

(M - ot'oer q6o)6@csJd 66e' eDxoe'o (6@f3ld go)6co EQ cB.)s?p@de 6d

6c io6o gdoaodon rit tu.s ij, Nb, oFi, iU?tl@ @e).

(03)

(03)

(03)

(03)

(03)

(03)

(03)

(03)

(03)

(03)

(03)

(03)

og(s)

o2{c)

xo(s)

(1)x2

2og(g)

+ x(s) -------> ox(s) + ols) -----"-(1)

-------------> 2orn) ------(:)

+ o(s) + ilgy * o,1sy -----(3)+ (2) + (3)x2

p 3o2(c)

(v) l. "aFJedJa (5gOUl'?$ (calalytic convcrers) o8?', 01006 Brrd .)196e)$ qr6 .r81ao0 o)t:a$oJiriJ. e.cedtst'o g$6,5c od?rJ qe o.g ACO :38o6tn?r,ro 13ld? e.o6

. eog glom.ra,loo,3(idl e(o.ee bdnt5).

Od@er6{D sOObtDo o6d. NO(g), Nu (g)OOO od oO

. co(s), COr(g)AOO od oO

. 6erre.g4 etr qboo ezg@ et6oo)€Drao codg) etr Hzo(g) ooo odoO (03)

IL Cdogtd?5r e56otJtD?i6d OE,'J.?6mrsd aOdJ qf, OcSOd Aoo u6o66?rr6 6?rrjo?'r qEl5l'dDrgO (CO2 nro ?'lO ?od?ttb. 6€0 q66b6 c}rgo 01106) olttgo eg Bcjqoo5l(g?j o?ocEjg(8 6?rAo(n?11 6qo?'i :$5?'J6)

SOz

t3@n6 @orB@ edoeto@ 6dob Eaoa @O.

ridcDb €C'erco 56o@ € SOz tozo€.

(03)

(02)

(01)

9(a): @tD€ 7s

02 - 66166 ooeo (oa€g@@ 606€6) | E €o 6 (e.66€) Itoo6 - 2013 | qEi6d 6d@6ao Ela€d 6s €oo qd 40



6 cdo) 60)0 @edboegrdep

(b) Pr or Pr 66 erq,btrt 6.e6jo @ql5d tor dOJE?rJ oJElr3,'JrJ t'6O easJ P3, P{ tDr P, oa: ooderQ(Dl'l cr.e.sJ(' e!)d E6(Da) qsq tld,o Q q(6 ore@ t3o!)6b)8 ed('O. Na,CO1Bdt:'e?rod q P,cgEo.66d @e6 orda) ,3.t P, oJ P2 qtlo g5&l'o{J6l PrAdorqao ag o16 { oo:.ro:oa ogbd). dooto?rdld @(,.o l',4l') e.O. atse oloei?tJ BrrA6 orr eeoo$.d6J 6nr Pa E&5,aaro<J q a Pr !iO6@E. erE@6, ?r1!r€3orcb og ao.reE)d6J e5l P56odod(,6od q Pa6i36, 05.

l-fi] su*q- s.,"6o 1p1-\ egcer e} srrEe 6Qeor l\\ll./ ""'s-..r.,,"a^ 5-,e9. A ags-c

E@

egsoD 6q$r 9sro6

ga€(l. @6ibe qgsolar (qgsoE).

orrrJs:s $,./<nri dcaJ<.t86 €<.i,oe6C q

C€ooCeda gqroledz) goD

9to6 @leo cao$?r ('Q!'rO 6Jdd)EE6J .1ol'l gdalgeo Bgedl 6acr?rJl'r.

(i) P' P'P'P{ or P.og:rcozr}a>

Pr = NHs

Pz = HNOg

P: = NHaNOs

p4 = 66(0)/ co(NHt,

P5 = 66ca) - oolou(Fn8o

(03)

(031

(03)

(03)

(03)

02 - 66066, eb!€ (G[Atq€A ooo€d I q €61 6, (e ood O@]@ - m1B I qo6d F-laA6' q.-crr 6€ Cao @



6 @06) 06ro o€o*os@ao

(ii) R,, R, u R.ogrroalar

Rr=Hu

Rz=Nu

Rs = COz

(jii) X' X, to' X5 !oGl'i,!o?rl'l,

(v) qers qodorEeq ee6 d6o(J8?o 691$d6 @q@6J PCr t'r€rql't'J rod?rir,

PCr: CoHu(s) + 6HrO(g) -----> 5CO(g)

soJCH+(g) + HzO(B) ---> CO(c)

PC2: gO Orercs, @r6€D El6oer6: Off

(vi) Mr, tr4, eor 'M, Sd.roqz;' €orDe $gbro<rl?rlD. (Cai:

(03)

(03)

(03)

XI=CO| COz (03)

Xz=Oz (03)

Xg = Nz + Hz (G|aA g€)e'6 660 .i€o) N, .r) H, 6{' @€roo .r€.'et oe Ea@.) (03)

(iv) S lr$,ttr<coJEl.

s = d$ttlott a)tr /cH1 @tDJ er.dol/(c6H1a) ooi ('d ea6! (c'rod) {02}

PC, A Ag os: a6roe o?r5ecisJ

13Hr(e)

3Hdc)

(02)

(02)

(02)

dcrU@ €o.J @!)j H2SOa Edo45)c.)

M1=@dobO106 soi NH: Sdorgexo

M, = MOdO @0(6 €lDJ HNo36doleer(o

M3 = €6(s) Sdorgoco

(02)

(02)

(02)

02 - d6)@ OADO (G0a€€.9 o0€106l I q @.6. {C.o€d O.'s - 20 B | 4O6d @@106 Ela€d oo eoo qr6 42



0 @06r Cob €€oloogdao

(vii) M|M, De Mr 6 E$ s5l sa€d: erq?$ ee,'r d€,c585r .3o6<rd grElCo tsoo o(?rl5).

Mr: N2(g) + 3Hr(g)lzoo- zsoy atJor)

2NH3(c)(400 - 4s0)oc (01)

Fe (€dogdo) 101)

K2O and Al2O3 (o6od) (01)

aNH3(s) + sor(g) r-@ll:299)j!_(9l). +r'ro(g)pt or pt-Rh (od6ddrD) (0r)

Mz:

(02)

+ 6H2o(c) (02)

2NO{s) +

4NO2(g) + 2HrO(t) +

o2G) 150 oc (01)2NO2

oz(g) ___-_-__>

(180-210) oC (01)(30-1s0) atm (01)

4HNO3(aq)

NH2COONH4(s)

(02)

(02)

M:: 2NH3{l) + co2(l)

NH2CooNH4(s)

(02)

(02)

(0r)

(021

------------i> (NH2)zco(aql + HzO0J

I oaaoooo ooo toueo oooV

(NHz)2C0[s)

toOroo : oosdiD oddo eO@6 s€rl@O.

(viii) I. Pr oc P, oar dri dEl c"6ar.3).e .3go: gso eoqoar' ?id o?r)glE oal go-,rj66(,ri ars5.t

Pr:

. rDbNoO@g eroo?D 6oOO€D e,e€er 60@0/ O@O5OtD/ qB d@60 86(iO666O9

. eoderb EOoA gdoo ec',er@dg eOO€r rodclb Ocf€3B6 e€rBer 560 6€cD)EOrd gob t')@rD oeA6O@

. 6eD?Dld€D Or€Od @@ro

dob €DbordDod g/ dO)6lO€D m tDa6@ dO6 6bO@ qcDr@ ?DrO @EEOO@rD) 06 ddl6b66r6 6600

o 6drr rob@rdood €(€eoz@ Ood)

02 - 660d8, tbDO (@10€€6@ 6O6f6) I E,@)6 (ec€) O@J@ - 2ors I CO6d ddoloo q@€d 6,€ 640 Eb

(02)



6 Cbd Eoo oAo&rgodeo

06@00 SoeOOO s('jNaNos - M qr6@eDcorf @@ri €rDt

AgNo3 - dr6l6zo cto@ toeD 0DOe)B 6(,eEOOAY{ Fi6a.. AFPF]AA

rrzdo@ nooeocg oado6 868e 56O0(60!0 o6rDo)

ll qggoEcjd oe€ e)rBE) 650 3116, Pr Adc,qg) aoroeoca8 Rr3 9?s{ g(,dJc6<'j:sJ o'q6(E)

gdoeDcod @@ro octj sCOSco (450 oc edot) dd 6000

9(b): @la€ 7s

(i) A t'r B A oFJoAdoeo t5.('5) I q1E @oo ogzrrorda.r.(05 + 0s)CN- cst' NH:

(ii) A, B, C :ltr D A (]'"_!o o1zJ6.

P2:

(02)

(02)

10. (a) A 3r B .l)e qdoDe., griroBcrd qi8 c!.s6d, q('o (da,o. oeJ$ q.r6)c: or d.$ e3.oE E qt8 g.16))95. cro'o o5)g odgi€?o €.66o ozr MnC5HlN6 qrrb. oid o6t 6.EU6 q65lo<.A e(D6r O5oo€6d eer:r tlo66o 3o!oE) 5 qrEl. A qooe deo e.oe..r!d o.Jo,Jr€d6 co63d BOo 8A60 ?se

e5)d e.eA. C lo3 D eq?sog q&t5e<,r C:r€E<lat ero.(6.4: o.iiei8(36 eO5.3 coo 86c6 :o€ OO A !). B I qr8 qd('Ed E Od8r5d6 qgcjc. o!?rd

A:IMn(cN)s{NH:)]3

BdMn{CN)s(NH:)1'z'

C:K:IMn(CN)s(NH:)]

D:KrlMn(CN)s(NH3)l

ooJ

@et,

oerJ

oo5

(10)

(10)

(1s)

(15)

IMn(NH:){CN)sJ3

lMn(NHs)(cN)sl'z

K3[Mn(NHt(cN)s]

Ku INr]n(NHgXCN)sl

(iii) A a:: B 3 oraloA.J q<J5)cjd8 96c.j€JA6, A!))r1|3lldl e(Jzj3).

A, Mn E OdBtD66e qotDci = +2

005t3r A 6 Mn O@ €,@@do01D Oet6xo{o

8,6 Mn OdAtD66! qotDo = +3

OOSrEl B 6 Mn O@ g@@deojer Oo6)6co

1s22s22p63s23p63F (03)

Ls22s22p63s23p63d4

02 - drs6{' oe6o (c{a€eoo 6oo€6) | E,@) 6. (c 6od Eo)@ 2013 | ear6d d6@la@ elaed 6€ e4o E6

{02}

44



O Gp6D Oar €e6tlo6odoo

(iv1

D

C .-.1 D s IUPAC ao ea:?'Jb.

potassium amminepentacyanidomanganate(ll)potassium amminepentacyanidomanganate(lll)60!'€' '6o6@@d @6€ @o)cE@a. qd@d Aer6o€ro 60z€ E@ 6e6.

(0s)

(0s)

10(a): @cD€ 7s

(r) O I. AgG) lASC(9 lCl (aq) eecEjegdo{ld qqcs oaiBs)dd qt o s6€<,'ro ecj?,J6,.AgCl{s)+ e ---+ At (s) + cf{aq)( + e E€oer eD.0D) Gt'e6ro qdo) e.do@ Eo@64.

oztt.AB.(aq) ec@d@Olo gSocoroo (Eba 91566100) 6effo)6 s@l@O.

(ii) ototr 96€(goej .oc's?rJb.

Fe(t* 2H'(aq)+ j Or(g) * Fer-,aq)+ H7O{ll

l. 96)b) g66(JrDo qq.e od€lsd€ tor e)Ej8.od6 e8o 96€6r e6?rj6).

{0s)

IL AgG) | Agcl(s) | Cl-(aq) S e.g'ezi@gdo A!r"a.r scodo(38 Ag+ 6rsrc6o o!:) dQ56o6sJoaJqr8 6(&:'J ,srj,'J,'r, rrao\d 4e4.1 :'l$lqe 6d5.tar.

(0s)

(05)

Fe (s) ----' Fe'z.(aq)+ 2e (MA0D66D qbo g66co€) (08)

(o8)y, o2lql + 2q'laq) +2e -----+ Hzo(l) (odaetd6e ebo 9566tro)( --- e 6@ot' r'Eco) @ne50o e#OrO erdoo EO(D6 oO.

lL €,106 956c!O SQdd d!33(r6:o oirJo6lo orsjs 96€'.5,0 Ao E qr6j:rO do @6jo@cr8.!CO6r €,i46l 0)196 Ae(3 6b4(j ?rd?tr6.

E " =-0.44V d, = t .23VH-(a9)/or(g/H,o(l)

60@.' @?D5@ ouoco = 1.23V - (-0.44V) oroj (1.23 - (-0.44))V

= 7.67 Y

(01+01) + (01+01)

(04+01)

02 - 66@ 6e6o (@.a€qao oo600o) | q 661 6. (c @€t 0o)o6 - 20€ | qo6.t &€6doo e.o€d os 6aD qtd).



6 @pd) 66b ocd$@ogdroo

(irr) dr€ce.i qis6'dr6 rr6i 0.l0mol dm-r CaBr2 de€ sror6csri 10000 crn:J 4@at IO0 rnA p a.jb4.6!erd .io6r eE .r{osod cd6l'Jo6 25 "CA {ji,6ler c]b.t5)1 (,1q.

I eoedtogja5e 8g ob 9'.i8E),J6

od6o66r qba 966(oF2 Br(aq) + Brdg) + 2e @ttl

d6) erdalbd6 sa€(Jr e.l?'JirJ.

2Br {aq) ---e Brr(l) + 2e (0s)

Od8er66e qbo 9'66(,5€2H,o(l) + 2e

--{" Hdg) + 2oH-(aq)

( + e E@o(D erE?D) @tteSiD qSO) erd8o qO@E @O.

(os)

ll. Ca(OH),(s) qCdode 80 ecdoe 8OO 3)6) 05) :$rc6 (n65jo iod6i5).25 'C A q Ca(OD2 A erErznr .?&Do' 1.0 x 10-5 mo13 dma oe. .Jee(38 .!6Ebd6!)@,J)r$ebr |'6rl5j. Je.r lner.ro68 .58oro 566)0 clo66) aO Ct:tsC.r?ror :,66t5).

Kp = ica'z.(aq)lloH {aq)1'?

ca(oHD Eo@d@er 60 €o€etl eo@6 oet [oH-] q(3et tordglD6 = [OH ]

(0s)

loH-l = ottJ 1.0 x loj mol dm 3 (04+01)

@OO ordgCDca @Or gO 6€('l qo@6 Oe' OH-gO)6!co = noH

noH- = 1.0 x lo-'? mol dm-3 x 1OO x 1O-3 dm3 gttl 1 0 x 10-3 mol

€Jo6e6 e@d (o.0C3 6a e@6jer@ 90)@(n O"

Q= 1.0 x 1o-3 molx 96500 c moll ottJ 96 5ccp@dlerd 9O)65c0 100 mA O)6pd tt)Ott tD6 co.O@ t3€eDl @etoet 6))@(i = t

(04+01)

(()4+01)

(0'l+01)96,5C€oJ 965 seoj 16.08 min

((Dz6@6 6(ittci €3€et) F @eD5 96500I 100 c moll eo(od r'€tt 660 8g('o et to. ct.6€66cot'cc 6eet) F 6o@cttt(i itl8tt 6D6 to)@(s F €gz€6d @@et<s tD6 Ezd{'o 6opb6 Ga€g€ler6 aDdeso.)t = 16,08 min @rr, t = 16 min 8g@e' ('.aD)

10 (b) = @ia€ 7s

t,Ox1O-smot 3 dm-e

02 - d@@ Oedo (@a€gog oooroo) | q 0or'6 (c 6€) Eo@ - 2013 | qo6.d 6(@Do qLo€Ld 6s €{to q@ 46



6arco eepo - esaviya.com

Documents