1.

2.

3.

qo gocdocoo oo8a ocg@c: Co3* q.ozrroob grE g@e?Dco oacp gogdoQczl ooorco ogocd,(1) | (2) 2 (3) 3 (4) 4 (s) s

ed@cggozo od@cglzo zocd8zocezo eolOce oc gc@n oalozr3 4@o doocnio@ gozoo/qoa (n, l,m,,mr)q?(l) I (2) mt (3) nac I (4) nun mt (5) lot m,

I J

oorl qdoc g1E coooceCooo$ IUPAC zrrc@cs 4Od q?

cH3cH2cH-t : GHCOTH

Br NO,

( 1) 4-bromo-3-nitre2-hexenoicacid(3) 3-nitro-4-brome2-hexenoicacid(5) 3-bromo-4-nitro-4-hexenoic acid

4. O2,H2O,HrOy OF, oc O2F2(HzD2ogo eo@czr ogood grn.) orzD g€, odgdrr}g (O) @dgzodsqOcddc eO Oen B@oOgo €orzDg Ao 6Ot€ BgAd oe."J,

eecbop Ocg Eooo R =glOocOodC Ector: N, -eCglrrldod Ecsnce h =gco6Czoocd goOoo c =

8.314 J K-l mol-l6.O22 x 10amol-l6.626x 10-34 Js3 x 108m s-l

(2) 4-brome3-nitro-2-hexenoic acid(4) 3-nitro-4-bromo-2-hexenoic acid

(2) HrO t HrOr, Or, OrF rt OF,

(4) OFr t OrFr, 02 > H2O ,HrO,(5) oFr t orFr, or, Hrort Hro

5. noorccocsoajo gcezrco SCN roqeoc ofudo B@ora o1B gocd ogoo oaooj,

(1) OrFr, OFr t 02 > H2O ,HrO,(3) HrOr, OrFr, 02 > OF2 t HrO

a(1) :S-C=N (t.. v

S:C:N

(mol dmr) ogood,

(s) 0.30

6. csn:doc: 1.03 g "--3

r, eszon'Jocs qgo NaI 3vo oz:t NaI g,coocozo oe@zonco(Na=23,I=127)(1) O.2r (2) O.23 (3) O.2s (4) O.2S

eotD) oo)o o€c)006@dQo 6. eoo)!Tdt6D)6u u.trL o)/tpartneDt ofF-\anoodl Oo)o o€c)

ufi_oragb $)orou&t of F.xaminaubns, Sri Ieo6) Ao)o o€c)boo!r r.rfr.l.o16 t/iloaud

dcoccoo

@qanuarofluoit IChemistrv I @ItrItr ota@fairQ amflgfiglluLnabTwo hours

-X- gcOS6oc OqOd €oeicoc grn.+r- o@@ gda: ogcs BQ 09 AztJ gdo oO.-X 6coE O gdzrOgO B€edi eooceu.Jar.-X o6!rD codp @OocoO gO o€€ oo9rro6.*- 6,dzld opocS EoOn edOcanoc$ @oO Ooo qooco @oalzr.*- 6Ea6 opoc{ Bgerco Q qr8 goad 6,ooqcd eelg8@Od o SooaJa.*- 1 ao 50 ood dd dd gdoxeo (r),(2),(3),(4),(5) cm B@4d1o@zr3 5a6eodgo@do.€ocr€D

saod Bgrad oraCdc oozr, dcs Gdoo ctesd 69€ao gdooo 6r:ogd cr6e to5o6d (x) o6rq gdodo.

[oeol6 EQO oedeo.

LL/20t8t02ts-l 2

7. AgI eoc AgBr E gOdodo gc€trr d6o gd gOcgcszoO dzoq zodzr gQ. o@@ @g.oo 25 'C EeeO4@oncOoO dg6@O gO o6ar gQ. ee@4@nzmOocJ Q tozroal oqro@ o{OEocsS EoOzr OO

zodrl gQ. ooo ceqeoo} 4@za ce@OuiOocO og@ gcOdce ceqeoc oc,rQo o1E q?

(zs "c E Q Krp<,ccr) = 8'0 x 10-17 mol2 dm{, dp(Aenr) = 5.0 x 10-13 mol2 d."*)

(l) lBr- | = G;" t0-" mol dm-3 eeo lr-l = .6-.0-" ro'? mot dm-3

(2) tBal tl-l = [As*]2

(3) [Ae*] = (ffi *.ffi)motom-3(4\ [Br-l=l'9"loa\-"

tI- r 8.0

(5) [Ag*] - [Br-] = [I-]oeor:l eeqoal 4@m gzococa tlcOtDE oO q?

(1) gcOb8orc OcgoO oqOrrr zocdOocJ Eceg @ ogCoOg zocOoaJO dgocd ggcOrs QO q egococC O8zocOooiOgcOn oO.

(2) qcObEoc OcgoO oqOzr zocdOoci 8og O ogCeoOg eoSoQcdceSO dgoc{ gcOn oO.(3) gcObEr:rc Oc2oO oqOzl zoccdOoc.J Sceg @ ogCaOg oSoQO 66ocJ gcO> oO.(4) Na ceeo Mg oe 9do8o eoo aSoQcdeoSo roced6zo cgd oozrJo:r qnd Al E odceSoco ceo

oSoQcdcoSOo 6,oceq& 6deo oerzrJg@ zod8.(5) Si eeeo S og oBgSO gbo6 gc@@zo e€6 oe:?t'Je@ zod8.

od@cEgzo g6orooJ O.E Oo B@oOgO gegoD Q gidod (Oo@ 8O qA6O) ooor 4@zr glEedpoOE q?

8.

9.(3) B, C, N, P

10. A oc B gO o6gbo gcO<6od eocq8. Eceo 6,dodOocoE q.E esoOarl qaeg Ogod qg, Ocdercs ee@o

ee@q@rl:trcOocs8 g1E Aoc B gOcerr3E @g.ood cegroalo':. Pi oc Pi -e B€oO€zrJ Aeoc B E es

ocde: Sozr oar god Ogoar8 pd Sozro P ac ocde: zogceroo:E A I ogg rDc@co Xs oO. o@@ o{oEc:esOOzr}oocezr} oeoo eoqoo'l 4Od EoldQ oO q?

(3) r = (ri + rf )x[- rf

11. eorl ceqeoai gOtcerrJE rrce:co?D OtF Oo B@oOg Oeo.i,He, CHo, CClo, CBro, SiHo

(1) CHo. He< SiHo< CClo< CBro Q\(3) He< CHo< SiH4< CClo< CBro @)

(5) He< CHo< CCl4< SiHo< CBro

12. ootl gldoOrl dOcBzrJ mtde gzocclc3 ogzlccoalrl,r.

(1) eoBQduS eid@c€OzD n=2 --+ n= I,n=3 + n=2ao n=4-+n = 3 goedoQCzrr o.p@6gqodzr} OIEO odEord BOzodpoc3 n= 3 + n=2Oe 4 a.

(2) OFr,OFoceeo SFoSode qpodaS gQoorri@ cdOc8 Ozr3ozrJ SFoo.(3) Li, C, N, Na toeo P pggor5 gpodzd SqSd eoeooco qQo Qggorco Li oO.(4) (Li eeo F), (Li+ ceeo Fl , (Li+ coo O2l ceeo (O2- too F) Sre og, qdcecsrdE olEO oooce q

Li+ cseo 02- qod o.(5) CH2Cl2Oe gO ngcoocsS oOEo Ozo@ ga}ri,b g€zD Ae O5ore OzrJorrJ {001O-dO01O Og oO.

(1) Li, Na, Mg, S

(4) Li, Na, K, Ca(2) C, Si, S, Cl(5) B, Be, Na, K

(2)

(s)

(1)

(4)

+=(+. +-)'i.+r-( r r)1F-lr;-r;,1 x|

He< SiHo< CHo. CClo< CBro

CHo. He< SiHo< CBro< CClo

fqdolo 8Qo Oedo.

3

13. CH.(S) ->

CH3(g) + H(g) g8$ceco eegzoalrr:.

goor g8$oscoO cs@@o OzrJrry6l8 oOaco Oeooi,(1) OoziJzrJE e:gp C-H Oa.JO?tocaB SmOzros ceqeoc ce@@r:l Ozr}q6f8 oOoreeS.(2) @odaJ8 cs@@o od@cg9zod6 OzrJrliCB oOattoS.(3) Oodzr}E es@@o og$ gc:Ezod,o Ozrlrll6f8 oO:rco8.(4) @oriJaJS eo@@r:l OaiO:r SmOzn Ozrlrl(C8 oOzrcoS.(5) @ooJzrJE pdrlOdOzo celQo@ co@@rr OztJrlrCB oOzrce8.

14. 2A(g + B(g) cea p@zo g6$coco eeooarr qae,) Og:rd 4€; Ecoo 6,doriocezo Q Ag oo. Ogo:r3 gcd@tozo

Soarcr { coeo gA@ocoO 66o10 gcd@eozo Eooceal 50Vo or'> 8o Soacs P, oO. oeoo eeqeozr} 4@d @6P;! eogoc Eot€ qoca eloa E?P

o

@+=&15. P\ ecoocszr} B@oO@rrJ 4.7 ac 5.0 Oo HA oc HB gag g@eOe coO@p@zo d@cs gcOood (Od

9@6ooz13 1.0 mol dm-3 O-) co@p@oocOoo$ q1o./\log [14:l I A qr,, gccordzn ooocszrJ eo@can oeo.s," (rs-r/(1) 23.s (2) -0.3 (3) 0.3 (4) 0.e4

P ' I r .^. 1-t*Jz(r) t=; \D;=i (3) t=ffi

(5) 1.06

16. oeoor eeqaoa'l 4@a OcozrlEcs C.HTOH B€aq O qcooz, oO q?

(1) CH3COCI eogo gE$oc zod EoS6f OeSOdord cocq8.

(2) o@C@:rJ Qcsd ce@o gE$oc zDd gg el1eo18 qOdodoced gOc o{.(3) NaHCOreo@o B6c:@ zog EO COrOcgO BO zod8.

(4) NaOHo$oo C6H5N;Cl-eo@o B6cs@ zog Eo obsooJ ceoooCoorzd goc o{.(5) 6,qc8o: FeCl, ce@co B6q:@ zog 8O Ob,oOt:J (q@ oleolosO gdf gcOdo:d gOc o{.

gE$c:cOzo g5O gcg zDceco,

(1) ee1@EO@ g6$cezoOg gcd@eozo eeczlJg,oocea} edOccsdo oO.(2) ce1@EO@ Egoc Eooo Oo dqc oOE.(3) ee1@OO@ gE$oscoOE oo@ai cSOccor:'Jor oO.(4) eo1@Eo@ 6,donloooai docoo}o oO.(5) $d gE$csc zDceco o@rr} oqc2ocszoO eo@ca oO.

Eqgd deecc:Ezo ozoCeozo Sqgoloc@zo Ogce dp ooooOSdod,(1) EqgoJ SOodqroc{ dOtococo @tr cs.

(2) 6,dodoo @zl cs.

(3) DqnrJ EOodqr Og eeca.'lEo @n c.r.

(4) gogdoQCO Og oad8zo dodpdg @n cs.

(5) gogdoQCO eecq:r ogCo O5o @rl c:.

17.

18.

19. qc@@zo @coroc,J q IO; (gooo^o gozro), SO3- E6rzrr<.r SOI-aoo od8zodso zod8. NarSO,(050 mol dm-3) gcoocszo 25.0 "-3I go"q NarSO, g@c,oco ce@gbdocea..l NarSOo Ooo gd8zo3sce

85@O gOor Ozr: KIO, edzozrlOa 1.0'7 g oO. (O = 16, K = 39,1= 127)

gE$oco ee@g6o g e:g gco$rr3E gOeeco @d8zods gOa$OcO OA"-i,(1) -1 (2) o (3) +1 (4) +2 (s) +3

20. gcObErac OcgoO s-ococpoO gegOrs B€aq O seoo 4@a Ocozr3Eco qc,ozt Ozrlozr} q?

(l) I zoc.dOocJ Sceg @ gegO> dgo eo@o g6$oc a6 HrOcgO Eqeocd zod8.(2) Li a76I zoc.dOocJ qEer:'J 8og @ gegOr N" OcgO ce@co gESc:c zsd8.(3) II zoc.doocJ 8og O gegor N, ocgO eeOco g-ESoc zod8.(4) o15gd Orce@co Nag8$csc zodNarOrgOc oqzn gnd K,KOreOc oQ8.(5) s-oocgoO 8og @ gegOr oocq OdSeocdzo oO.

torDOOlO 8QO Oedo.

4

21. o695o OcgOd gO.cq qaeg Ogzr} oqzoErrJ cs@:rJEo o{OEcsd dzerooeooal8 qdOc glrD. zDeicoca EoartEB'o@zrJ Ogzrl dEo:rzo eoc es@OaJO n@ o18 oO. zoocOo EOao zog 8O o{OEor A eelzogoO 8O Bcelzop@ qdOc oOzr:ed oO. oc@czanorooJ n,P,Vc;a f @62tJ BgoOBzrJ @pg ce"OrcO, 8Ozro, o6@cO oc6,dOr:lOo Edlo6ce ozoob.

€01?oge A (zDococ3 O€oc gltt) eolzog@ B (zoocOca EOaoO q1o)

o@@ o{OEce B@aq O ereorl gdoOo 4@zr eo@O:r}Oo 6Ol6Q oO q?

ET ET(2) j; * it = 2r,

't '2

(5) PrV, + PzVz = Pr(V, + Vr)

23. oSoanroo ooand 6dodo oEzDzo Q MO(s) -----+ M(s) * |or{9 gE$oco ceqoc co@oor EDd

oOzles oorl Q g1o.

TIK1000

2000 -148.6

gESc,:coO8 eo@@o OzrloQc8 oOote Oplod,(1) 248.8J K-rmot-t (z> -zqg.gJ K-rmot-l (3) - 48.4J K-r mol-r

PrV, = PrV,

P,T, = P,T,

(1)

(4)

(3) +=+

22. gcObEnc OqoO 3d-pggor B€Aq O seoo zB@a OonlEce qcoon Ozrloll} q?

(1) odOcglzo g6roc,oi, d@ gcobnod g,E s-ococgoO pggorcealE odOcg[zo qdcecea]o OOc 4Oc oO.

(2) cotrrdOo, d@ qcObr:lod g.6 s-ococpoO pgEOro:ri8 cszrrJOoO OOc O1E oO.(3) V2O5, CrO, eoc MnrO, gc@@zo @dco8o oO.

(4) ergp goEndd @dE, O@ gcObtrod q.E s-oocgoO pggOnoaJ8 ogp qceEndo od6OgO OOc qQoO.

(5) ozocoOC6fO eooo'c:Ccooe ozocoOCcfO E oocrJo g6eo @dSzodo qoedoc ogocd +2glic +3 a.

(4) 348.4J K-rmol-l (5) 48.4 J K-l mol-l

24. eoczrJg HNO,/ eocolg H2SO4 OE:IJ oaaJE:rJ zrEoQCzodc oalpsocd Q SOrOQ Bcoodd qdozrlon} oeooceqeoal 4@EzrI q?

AG'/kJmol-r

-100.2

H

CF*o' (2)

+

rl) d*o,\-/ \r/

+

(3) O|{o'

H

- a-l'No, @)---------------- V* + H2SO4

eelzog@ A (zoercOc: Oeec g1t')

[odo.O @0 Oed?D

)

25.c02H (l) NaBHo

H2CH2COCH3 Q) H* fH2O

goo eeqoal g8$csc gg8@oOogE X teo

OMgBr

CHTOMgBT

f',CH^CH^-C-CH^

'zl 'OMgBr

1;lCorrnnenrv\CH,CH?CHCH.--l

OH

OMgBr

CH^lrI

OH

COH(4) foY 2

\AcH"cH"qHCH3" "l

OH

CH(s) (d:AcurcHrlr"",

H

26. (NH4)2CO3(s), (NHo)rCrrOr(s)

Ogocd,(1) NHr,N, oc NO,(4) Nz,Nz eoc NH,

C-OMgBr

H

CH?CH?CHCHI--tOMgBr

oc NH.NOT(s) OS zog Eo gloO::: zrBQd:rJ Eoo(€ eoooc3Co B@oo@zrJ

(2) N,O,N, oc NH,(5) Nr,NH, oc NrO

(3) NHr,N, eoc NrO

27. coaJoaeJo AgCl gco6od eoc AgCl(s) qOocg Fzodoa Zn 46rJ oc Ag 4dd dlooc$ qldoOzr e:6Q 6qlocogco 4d1 oqzo ceala:ccozoc,:d @EzrJ co@ozrJo zog, Ocoee oeon ceqo:d 4od €g oo q?

Zn2+(aq)+e + Zn(s) Eo=-0.76VAg*(aq) + e ------) Ag(s) E" = 0.80 V

(l) Zn Qce oO, Ag olzrlerd oO, AgCl(s) Qc: oO.(2) Zn Qce oO, Ag Qo oO, AgCl(s) Qc.: oO.(3) Zn Qo oO, Ag Qce oO, AgCl(s) olrrJerd oO.(4) ZnaTaJessl oO, AgQc.: oO, AgCl(s)Qc: oO.(5) gcO6oc.:8 dogCdEO eeco$Eoce gO o.O.

[660.5 eQO Oedo.

LLt20r8to2ts-r 6

28. e:eon gdoozr g8$csc gg8@ooogE P eoo Q I ogeo B€oO€,rrJ oAo"J,

H{*fotqaH2so4

(1) CuHrt{H2 , C6H5CH{H2 (2) C6HTCHTH , C6H5CH{H2

OH

ooH(3) cuHr-E-cH, , cunr-{-cr,

C'H,C:CH

(4) CuH H3 , C6H5CH2CH3

H

(5) C6H5C{H2 , C6H5CHCH3tlOH OH

29. elarrr> eeqozr} 4@za OoaJEo OgqOceOzo B@aq O Or6Q q?

(1) oOdgSO oco ddcozr OggOceOceE.(2) oOelogCzrl oco g8zocbos OggOc.rOoS.(3) or8o6Czr3 6,6 eelQ gldord 1,6-O8q1@SoacoodocdrlJ eeeo oeodoedzdOS@Bd E@ecs qrrd qczogzr

OggOor8zodso @EE.

(4) oO6@ai eolQ gldosl OAezrJ dg8ozoC6f coeo oO6o1@d g@go qrld eeocoznzr OggOcs8zoddc:o6E.

(5) eJOceoc8zo dOU os-oe:c@gSococ$rr} qc@O@uJ eo@zrJ8a o.

30. SrO]-(al) + 2H*(aq) + HrO(/) + SO,(B) + S(s) csor g6gcscooE S2O3- qgo{oocsal oos (m)

oeo8@ oqoc o6decrcsd 8g zodo: gQ. q@6 gcoocszoo 0.01 mol dm-3 Srort- 88o o6@corr3 (v) ozop

zod@rrJ g8$cscooE qcd@tozo 6gr:rco (R) Oaa eQ. SA&0, @goocsS H- eocalgoo Eor:ro e:oo3oc odzl:$d pd s6@cO (V) ooad 8@O 90 eo6o gQ. gESocoOE gcd@tozo EgocO B€aq O e:eort ceqeon}

4@zr o@OaiOo EOIdQ oO q?

/--\m I , rl(1)n*{*)"' (2) Rocv- (3)Rovd (4) n*{*l' (5)Rxvm\V/ \V/

o g.zo 31 8O 40 orad dd dd gdzro eeqeoc Q qrE (a),(b),(c) 66 (A cso gEOcd eood gqodrrJ, OzodoeoC O15 eeoO>cOd oeoC EOIdQ <.:. EOidQ gEOcdce/gEOcd zoOob qr'8 ooCdc oaJzr.

(a) aa (b) oo,od EoldQ o@ (1) oo q

(b) oeo (c) o@od EoidQ ao (2) oo q

(c) coeo (d) oosd Eor€ or@ (3) @o q(d) cer (a) o@od EordQ zr@ (4) oo q

@Ood gEocd cooOrscod ooC eeoooCdaord ooC Eor{ :r@ (5) On q

6sln,6 erpoceS QrdoOzl 6,ooqcd e6Q ee€ zoda}zr:.

co@€loJOoco

(l) (2) (3) (4) (s)

(a) esa (b)e:@6dEoldQa

(b) oeo (c)o@gzSaozdES

(c) ereo (d)e:@<mzJ

EoldQB

(A aa @)o@gzdEordqS

oOod gEocdes"O>cOzJ oeoC

a:oocoidr:rcrzrj oeoC EOIdQB

31. gag g@go:d (E<,ro o6@cod) eoc aOg tod@ord god gg@cozrod cegzozri?r. einzr eeqozri zq@d/4@rre9oc gOg g@goo8 eoca$gooozd e$occedor oO q?

(a) o@zooc 6deroc$ Q pH goce(D) qrtJb gderor zodc groc 8@O gOor gOg eocd@ocsE er6@cO

(c) gOg q@goos8 SeoOa Eooo(d) gg@co:r eigcedzBoOS q1E gcOoocS [H-] x [O[f] gcoce

[odOc6 @0 Oedo.

N.t20t8to2ts-l 7

creDo q qrE q€O B€aq O oeoor 4@o OozrlEa/OaoJE ooa oO q?

CH^_C=C_CHOarbcd

(a) zocOn} od@cgg eood@ dzo@ r:lgoc$ 8808.(r) Cd-H eoeo Cu-C. OrrJozl qod ozoC<rcs Q€ ocaocoal 120' oO.

(c) CO eeeo C"+rad o-AaJaot oqzod eeo xt- OzrlOoosd g1n.

(A Cv eseo C"gzrd o-doiAaand oeo t[-a?lJa::: oqzod g1zr.

. NarcorEdocqorce B€aq o cooa onJozrJ oeozr eeqoo'l 4@o oozrrE a/oc,olE q?

(a) eoc8n zodzr: dzo gpgOtced CO, oO.

(b) NH3 o@oi cozrlorae$o d@cs Nacl oc co, g'ld g6sceco ococooocezo oo.(c) Edocqa $cecO@o gQcsd oo8rr} ce@rrJEo oO.

(d) $cecO@ocd Q oc8o Oa: NH. 016 g@c,oced olOo gOcorl eo1zo.

34. p@n gA@ocozo oog e6dedcoi@zoo Ebscs 85o@ Q 6,d.odoo Ecerr gocszo e:or:joc 6n ge oaJoal,(a) gE$ocoOE oog 6,donlOo @o dqcoOEzn Eeec c:.(D) ce$clat @dEGl 6,d<nrs.JOo cs@co oOzlcd O:r: Eoc o.(c) gE$ocoOE cozrlpco 6,doo.JOo ee@o oOa-rcd Oa Ecec o.(d) 66oc Eceocs 6,d,6riOce ee@o oOaled Oal Ecsc o.

35. oozr eoqeorl 4@or OcozrlEa/Oa,r:llE OEzrJ coo OnBzrJ B€aq O cool oO q?

(a) CaCrdgce ee@o gE$oc zod Oo8zd eecq8.

(b) CaCrdgo eo@co gEScsc zod OEzrJ eecq8.

(c) gio@CEzoao AgNO, ce@o OBtrJ gE$oc zod gOdodeced gOc o{.(d) g1o@CEzoan: CurCl, es@o dra8al gE$oc zod qOdodood gOc o{.

36. eotedzti B@aq O oon eeqord 4@ar OcoalEa/Oaol$ cooa Oalo:lJ q?(a) ncdOoo$ oog,O eolgdzr:Og E)c€5cozD O1E oO.(b) gozrzBoi olcdrlr o@nJ or:TcO, eigoOcSzrJo F"I eo1d, gn} ee1@DO@ (-l)OdAzod6 qOeddcO g1n.(c) Sceg @ eolgdzr oocq OdSeocdzo oO.(d) qcobEnc oqoO Scog @ gegor gn6zrl elgoocSa'} oocnJ@ g6Scec6@ oor argrri oo Ed$or ocg

*6)rn reR.Q.f C OZf:CZOd$.

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€od) Oo)o o€o$ooodqo @ €06) Eo)o o€ood:eoanj ufimsg 2lmm:bm;nLb goldromrirpartment olExarninations, Sri l-ailkaDepartrnent

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eecbop ocg Eoorco R = 8.314 J K-l mol-lqlOocOodC Ec,rr:ro Nl = 6.022 x 1023 mol-l

B emoo - @orgcdor ogoalO o@od B€qdi teerceufa. (Od Od gdoceO geg 15 O16:rJ 61o0.)

5. (a) ooor eeqeoal gE$cec eogzoalzr.

M(CO3 )r.nHrO(s) --- M(CO3 )r(s) + nHrO(g)

tvI(CQ)r(s) 3 MOr(s) + 2 CO2G)

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M(COr)r.nHrO(s) gpoce8 g.E 'n'8 qoco EUsc.r zodaJzr. (eaD€ 2.0 8.)

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(i) 800 K E q Og- eg 916 dgOcdooo8 qco6zo SOzro co€6?trca zodrdo.

(ii) 800 K I q Ogo: ee 916 CO'B qcoBzo SOano co,orDca zodaJzr.

(iii) M(CO3)r(s) I EoorCdzrrceo qqcg Eozr co@rp@or:rc Ec:no, K, eoqeoc gzoccoarod @oozrJa.800 K E Q Kp oo?rco zodzrJzr.

, (iv) 800 K E Q o6Co zocOozrJooceE EooCdoo I o9e gBooce cDou,rca zodaJzr:.

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(vi) M(CO3)r(s) E EooCda g8$csco 9Q6 Qocoo ocscp 86@ oqoc p@ ogod oosCdoc zodrrlu'r.

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(ii) MO(g) E M-O OzrJOzr SesOar Ordrrlqf8oo co6zl)G3 zodirJa.

lqeoOlE BQO aga}ro.

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ar@q@nocOoO dgS@O 9Oao6:r gQ.

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(i) NarSrO, ac Irga6 g6$ceco ceqoc 4@o dcecosEzo ce@zodso @c:zrlzr:.

(ii) A zogceoc:E Ircocalg,oo 6,o?rco todaJa.lrl

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(ezo€ 45 8.)

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(iii) eonr (b) (i) ac (b) (ii) ozocod ceqoc aOccoo} B@qd1 OEooBzrJ oOzr:d OnJozrJ @rrlg8 AzogcoooE g1E 88o goflzri Sode eogzo@zrJ erreolEe zoduJzr.

(c) X eoc Y csa: gO d6,e6! Eor@ce ggco@zr:oo zodo o6gb.o gcO,ood eecq8.

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NarSrO, e:6@co 15.00 cm3 Oce.

(oa€.: EdSo g,Or:co orgzo HNO? E Eooc: oO6,ozo6!eao zoduJo.)

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(Cu = 63.5, Pb=207)

(ee€ 75 8.)

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Fe(s) + 2H*(aq) + iorrt, - Fe2*(aq) + Hro(l)

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Eo = I.23Vu+1aq)for(il/H2o(l)

(iii) dlooc3 qldooar o6Q 0.10 mol dm-3 CaBrrd@o gcoocszo 100.00 cm3 p@al 100 mA e EcsoOcdcOd csOa gQ. o{aEoc$ 6,d.odOo 25'CE erOslOc cozr}:rc 6Q.

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(ee€ 75 8.)

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