No. of Printed Pages : 16

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4183

PART-IIIGo:$luSl urau/ CHEMISTRY

( pu9$ opgLir =grndeu org5l / Tamil & English Versions)

Gprrlb:: Loorfl I lifWlrr"kAlViSOlAi.CO?ft 1 6Lrngp Lo$ruGtrainealr :150Time Allou.ed : 3 Hours I [Maximum Marks : 150

gldlelorf : (1) €t 6D6nggt or9enrBstggLb erflu'lna r$lerndl zeilrnp n oreiir L,l p.o or

. +rfluni$gri G s nei-.oneq Lir. eleeLru$ogeu 19arpuQgurgain .s1eoprisainsnaofl rt r,l rorfl rri trenrauro3! G)grflagri+o1Lb.

(2) 66D6 elr6Da;gl oglill eoor-Lgtaro Lor@G.o aqggorpfEr Lruoinr@$gGoreor@ Lb. r rnlsei ereoqerp$6g Gl r ein8cn u ueiru @$pel Lb.

Instiuctions : (1) Check the question paoer for fai rcss of printing. If there is any lack offairness, inform the Hall Supervisor immediatel.,-.

(2) Use Black or Blue iik to u.T1te and pencil to dra .diaglan-rs.

19dnq : Gpeoaru:reu Sr$$len urb erarrl$gl, eLoei:rur@66fl61r 6,(9916Note : Draw diagrams and w te equations wherever necessarv.

U(gEB - I/ PART . I(gdlnll: (i) el6o5rrpg] er9lain&sqgrigd efiarruoidseqLb. 30x1=30

(ii) sflurr6ir ofleorarug Ggir$Glg@$g erqgga.Note : (i) Answer all the questions.

(ii) Choose and wdte the correct answer.

1. q- L9qrdGon eoeinL:n@

'elj,^=? r=S),\=hmv 16 ^-ll r,, ^ *De-broglie equation is I

(c) ,r= h" (,t) I=I(u) ^=- (b) ^=h m

,lnf!ff"-Bt katltlssEffil'@sm | $)19uqe / rurn over

4183

2. gCE GD6Dd&,dl6iir Nb = 8 rDEgb No = 2 6r6ifl6l etpein LQaranLrq$ pgrh

(sr) 3 (+) 4 (6) 2s (Fr') 2

In a molecule when Nb = 8 and Na :2, then the bond order is :

(o) 3 (b) 4 (c) 2.5 (d) 2

3. $la7 e1g16o19 6loiraaoo 19oiiror19Lb ei.:nururrqein U)6DLb 56ilr?i6lL6Drir

(s1) z-:z s (q)Z.=z+s (@) z":s-z t"l z: TEffective nuclear charge Z* car1 be calcr:lated by using the formula :

(a) z-:z s {b) z*=z+s (c) z-=S z @\ z:+

4. PC15-6in 6! L+6)r ib

(el) rQrrril@ (g)g:6Gonatr 6<f ,9r,6lGt

(@) Gpn&Gsnr@ orraorrn (r+) pneingldl

t he 'l-ape of lCll i- :

(a) Pyramidal (b) Trigonal bi-pyramidal

(c) Linear (d) Tetrahedral

5. rpp @arrporarp pefiLoLb er$lorre gti;or5lgGeorpp $lareueou:& oirr@Lb?

(gr)sc (€)ri (6t) o" (n) zn

Which transition element shows the highest oxidation state ?

(a) Sc (b) Ti (c) os (d\ zn

6. GunriGrn 56u6o6u 6r6i,rLrgl

(gl) CuSO4+Ca(OH)z (+) CUSOa+KOH

(6)) CuSOa+H2SOa (Fr) CuSoa+NaOH

Bordeaux mixfure is :

(a) CuSoa+Ca(OH)z (b) CUSOa+KOH

(c) CUSO4+H2SO4 (d) CUSOa+NaOH

3

7. Srflun d$6sainror!9eh or$el uuehu@6pg?(er) GunLbenLoooir (+) -duld gai,r@een(6t) -nq er9en&qgL: Grngrooii (,-r.) ooainGeuoi qureqsorLbCe a is used in:(a) toys

(c) gas lamp matedals

9.

4183

8. UO2CI2 - el qGqaiu$$loir gdarlgGetrpp peoeu

(er) +z (+) +4 (g) +s (Fr,) +6The oxidation state of Uranium in UO"C1" is :

(u) +2 (b) +4 (.) +5 +6

ICo(^Io2)NHislSoa LD6g Lb lco(soJ NFi3)5JNo2 GeirLoraeafl du zciror m nf ft u Lb

(et) 6crpO ongflu.lLb (e",) +1enoue4 LongfluLb(@) Eenemruq Lon!fluLir (,-r,) etuaflung;du LDrEdlLrLi)

The type of isomerism founLi in the complexes ICo(NOr)(NH:)5]SOa andlco(soa)NHrslNo2 is :

(a) hydrate isomerism O) co ordillation isomerism(c) Iinkage isome sm (d) ionisation isomerism

gzU.238 --> azPb2a6 ereirp arolgofleoenugeb Geroflugruu@rb cr, B g56ir56,fl droairolfl rieo s .

(sr) 70, 5g (.%) 6.r, ap (@) +a, eB (lT) E&, 6BIn the nuclear reactio. szU238 -) 8zPb206 tl,e number of o and 13 par.ticles emitted are :(a) 7d, sP (b) 6d, 4P (c) 4d, 3F (d) 8o,6F

(b) hacer bullets(d) space probe

(.S) nd:2I sin 0

(rr) nI:2d sh 0

nd =2\ sh 0

n). =2d sin 0

(d)

10.

11. L9 qn& aoeirl ir@

(er) t,=za sin o

(@l) 2\=nd sirt 0

The Bragg's equation is :

(a) \=2d sin 0(c) 2I: nd sin 0

(b)

(d)

$lqguqo / Turn over

.1183 4

12. G6,r!u $urisoFuc) S,/airrnLr e$$lu9eiri eriuner' &.001 6191?

(st) 96 6eue gompull;ir eroirrG;rrfl (S6ropELDn6drrdD glgJ p6fi6.fl66o6urr6ir5l

(+) eCO 6r.,o9 rp$nin ppni* g,tg epe$pLons $lg6oeunLi.(g) 6-rgp6nsur GoreoauqLi GleLrrurrLo6D GerLrL:$ea,p 19,cop$9 Glrn6ofle6lg$-gl

rgunen 6rngqgrig Lon$p SucurS1n ) gr5 $up$lr;'i$ei zflgeurrL +pDcD (p(9o,!5ltb Gcrcoeuurtts

or$parnri.\\rhich is the correct statement of II'd 1aw of Thermodvnamics ?

(a) A process accompanied bv decrease in entroPv tenJs to be sPontaneous

(b) Efficiency of a machine can be cent percent

icj It is impossible to transfer heat {rom a cold bodv to hot body Lrv a rnachine

\viihout doing an)r \\rork(d) It is possible to convert the input energy comPletelv to \\'ork by a machine

Ir. ..i Jri'oLr . o 5rj"aLbG. O Js6in .

( I ) ercirrG[,-Lll zu.LgdPgl(q) orrhrGqn6i O6oDBpgr(@t) ga9,rnpcir 6)oru r Lb e-u96lpgl(n') srLqeun g$peD et$orfl66DgrWhen a liqujd boils, there is :

(a) an increase in entloPY(b) decrease in enhoPy(c) an increase in heat of vaporisation(d) an hcrease in fi'ee energY

14. 600 K 6erLru$)eoeuu5lei poqqLb GrirorgLb 5ug L-lq$pnar arnq+ eLo$)eoeu

oiloremulleb Kc - ".iir et6Dg4NI-l:("\ + 5O2(s\ = 4(NO)G)+ 6H2O(")

r " 1-I.+ f

mol dr" I 'e-' mol dm l

,lrIG .

I mo dm-']' - l'r'o' a'r'

I

For the homogeneous taseous reaction at 600 K 4NH3(q)+ 5O2G) = 4(NO)G)+6H2O{s)

thc nquilibriur ccn.iarl K. h,J' ll-e unit:

r ,l ]

l mor am _] rbr -o Jm 1

',1''. r l-" o " '] " rd, lrro crm- |

wrxrt#"kafvflsof ai.com!

5, 4183

15. Glpn@ Oc6Dpull6D 6rpL:u@Lb €l$l6Lrl6 SOJ _ 6iJr sl6rrol](.e) e7t/" (qt) 37% (O) s0% (.Fr) 47ak1'he maxiDum yield of SO.1 in contact process is i

la) eToh (b) 37% (c) s0% (d) .47ok

16- aqrigfrafluoiu eoeirrn@

(er) t=e" iiir

(B) r= e" !2i.,

Arr-henius equation is i

G) r:.q.e h. -ti(c) L: ao /xr

RT,/l+ (:Ae Ei

/L , k=A. r?r

., . rlT./lnr l=Ae Ei

. F/ld) k=Ae'rr

17. +.r-rd, ef crer,egpg LlLr-rggl(e) LrnciLcLb (g) a,$Lo6 oeoTeeir

(@) GLou,dsenpeel (.-r) $ainLo peopLrqThe phenomenon of ll,ndall's effect is not observed in i

(i) Emulsion (b) Coltoidal sotution(c) True solution (.1) Solid foam

18. crcincleorLSiel 560trrlti 6,EUl enujriarp! rnduLo$gtein oeudgLbGL.rng el$prrebLoLb $lpLofrppno @rgLr Eleir sDp ur6j)Lolb

(gr) o/w (3r",) w/o (g) o/o (m) w/w\{hen an oil soluble dye is mixed with emulsion and emulsion remains colourless then,the emulsion is :

(a) o/\'v (b) \,\r/o (c) o/o (d) W/w

1 9, KCIOI d);opeqg 6 erlllarendldu I u..:eirr $pBLr r@ Lb o,$oocnGoro onld.(sr ) Mno2 (-B) ct, (O ) v2o5 (r) r,tThe catalyst used for the decomposition of KCIO3 is :

(a) Mno, (b) CI2 (c) V2o. (d) pt

wvrrutr,Edalvisolai.c$ril | g6iqs / rurn over

4183

20. gO elrdl6rlLo 6lg.op elrJleu$eop or e$leo ro ,6<q,bp 6rf$g1L6irp@$leoeuu nri gLbGr rgl qp L-r 0 Ln ereirgnei L!1 Lo$ Lr q.

(€1) 87.32 kI equir, -r (+) 57.32 kJ equiv l(@) -72.57 kJ equiv-l (*) 72.23 kJ equiv 1

The value of enthalpy of neuhalisation of strong acid by strong base is :

(n) -87.32 kJ equiv 1 &) -57.32 kJ equiv-r(") 72.57 kJ equiv , (a) 72.23 kJ equiv r

21. 4lGurnGtnlrrlb Gsnp6o6lr6qg lru@b GeiioLit

(et) 1 Cirei'uennd (+,) 2- Gl.,drrGernein

(@) 3 Clr eiuGemnei;r (r-r) GlrdllGrCardoA compound that gives a posiiive iodoform test is :

(a) 1- pentanol (b) 2 pentanone(c) 3 - pentanone (d) pentanal

22. npflc;r gri;odgeh e1g1( gt ) rdgerlleoen er9fl ud)6sgt,J\ a crl ,, "s. uu . $ b e eiro io . ea _ . g(61 ) +6t6dlgc6irEg Li peineoLoqeorugt

(*) ,,Opg pei'ieo Loq ar ruglOxygen atom o{ ether is :

(a) Very active

(b) Replaceable

(c) Oxidising

(d) Comparativelyinert

23. a1erfl Genel qGqnrdGeu$pLb geor$g 6eorLrrgl(st) o qGpnGLor gtorflG+nd (4)m qGynGon aleflGendu(St) p qGprGLon saflGerdu (r.r) (e1) ogELb (S)Bromination of anisole gives :

(a) o bromo anisole (b) m - bromo anisole(c) p - bromo anisole (d) both (a) and (c)

rtrww. ka lviso !a E..eorrt

7 4783

24. Lr[irlon6iq6o@6DL L] 6u LJ Eu r rr;d)6trr[d 6l6i)LrrLrg](st) rnprduqeoga6l (4) L-l n1nr ni Lonelqeogo@(@) rnriLooldr (n,) unfr_616 el Lf)euLbrormalderr de prl\ Terisps to give :

(a) Paraldehyde (b) paraformatdehyde(c) Formalin (d) Formic acid

25. ClgEr6.6Sd eebGrneirig onamLrr@6 G+ftLoLb

(+l) Clrnrun$luLb qrieruGerr (g) g6erunolri aar6euLb(@) Clrnrrndlurb eri6Geur (r,r,) endo6uLir +66ruG6DLThe compomd found in some stony deposit in kidney is :

(a) potassium oxalate ib) oxalic acid(c) potassium succinate (d) calcium oxalate

26. 6opLGIr d$GBein +lErrneirqeopo@rofi Og65 6!916D 6n ull6i r_r,@L.lr@&Gon@LrL:g

(.1) eoprGrn qGpruGuoiir (g) 1 - eoBrGTn 2 _ qGqrnularneir(@) 2- orprGTn - 1 qGynlrrarnei (n,) 3 ooprGTn qGpnlllenneirNitromethane condenses with acetaldehyde to give :

(a) nitro propane (b) 1- nih.o _ 2 _ propanol(c) 2 - nirro - 1 - pr opanol (d) 3 _ nih.o propanol

27. grfl6o6iirur elrfeirr Geudur@Li orgpLb

(et) erorirqndr serf spalfl (g) grug enprn(6) g,nuq gldloa (r.r.) peofl aEnljPrimary amine acts as :

(a) Electrophile (b) Lewis base(c) Lewis a.id (d) Iree mdical

28. CrHrNO, + C6H.NH, @Lnonpp$p$g rueirrrrnp oyorfl ergl?(er)sn/Hcl (+) LiArHa (g) HrlNi (n) znlNaoHThe reagent that catutot be used for the conversion oI CuHrNO2 + C6H5NH, :

(a) Sn/HCl (b) LjALH4 (c) H2ilNi 1ay zr\7NuoH

llilllt,v!/"kAlvisolai.Cotn I g)1guqo / rurn over

29. $i eo Lou.lfp 6ni-!6o6dr{i Clsnainr-grnp gl L-61G6n[ g] L6l6D d)

(et) ,41eoor$eir (.4,) ereuerfla (8) rtGrn66l6iJr (r'r') arpGqr8ein

The amino acid without chiral calbon is :

(a) Giysine (b) Alanine (c) Proline (d) Thyrosine

30. D (j ) gqg&Gsn*L-b, D ( ) LrldGrn+Lb eo J)r6n66l.i roirer sararei:

(et)s1gLbqri endtrorl (g) @ofl u 6darn9 eri&aary

(@) apri' op$,61 +iid;ooo7 (n ) oiuuirne eiriaarry

,A. mixture of D(+ ) glucose anLl D(-) fructose is kncilx as :

(a) Cane sugar

(c) Invert sugar

(ii) edrclorr6 e8enne$!66 g)6itrgl g6l6DSJ @II6d6r@ orr66lurirs6fl dL)

a!_lanr r rcrfl

Note : (i) Anslrer any fifteen quesiions-

(ii) Each answer shouid be in one or fi^ro sentences.

31. gl66ir, eteoor Gergr@$ga.

Distlnguish between a particle and a wave.

32, r ne$rfu , ge$ri;sein storors rqein gorpl n$leoir u neoer ?

N,lention the disadvantages o{ Pauling and Mulliken's scale.

33. H:PO: @O snrl$giorb zeorug. $lgr91.

How u,ill you prove H.rPo3 is a dibasic acid ?

34. 6rflri6uLrLL Lrqsrrlb 6r6ifipr6i 6i6ir6Dr?

IM1at is burnt alum ?

4183

(b) Sweetless sugar

(d) Starch sugar

15x3=45

u(g!B - [/ PART - rI

qgfluq : (i) oGpglLb u$loooo-'$5 e$elrn&eqg&6 oflarruofl.

c{iv

-sE

.if

9 4183

ss. 'd'6Bng$ pedLor soh Longu@Lb qrierlgGor$p $)areueou.rLr C1r$flgLruGpein?

Explain why 'd' - block elements exhibit vadable oxidation states.

36. gGpneoLooi.r (gc6nr6o[O Gerpeoar u$f) erqggle.

Wdte a note aboul Chromyl Chlo de test.

37. Ihts3 E6i'1 =9l6oq errn$6l1& sreuri 1.4 x 1010 orlgrii:soir. etpein flarperq LorS)e6laru-r

oor.r&d1@e .

The half iife of Th233 is 1.4 x 1010 years. Calculaie its disintegration constant.

38. +lt$ 6l6in o, $$ -9leh Ur6irg Lr,r6ine6o6-p s(Do.

Cive the ihree uses of super conductors.

39. e(D Gl6!Lru 6*pSl,l,i, i10'C LDDpLD 25"C Clor Lr Lr$l6o6ue grilg @eorGu-r6l+u:<nr@6lpGlpedeu etpeir et$sr r+ eperlp ppeoomril earli:61 @.

Calculate the maximum efficiency percenlage possible from a thermal engine operatingbeiween 110"C and 25'C.

40, Lql6i,Tor O 6 eropeoau oflaoemcgriqq, eLo$)arau onfle8elg6ener (k")

eLo6ijTLrrOs6D6lr 6r(9916.

(s) Hzoz(g) = Huo(g)+ % o:(g)

(+) Cotgt + H2O1*; 3 CO26y+H21*y

(O) N2O4G) = 2NO2G)

Wdte the equilib um constant (k ) for the following:

(a) Hzozlsy = I-{2O1r1+ % Oz1gl

(lr) COG) + H2O(s) .r COz(g)+Hz(s)

k) NzOqG) = 2NOu (s)

tiUsflJU.k*lVASOlai,COffi! [ $l6llqe / rurn over

4183

41. dlarrioqp g$pel erauurg.

Define activation energy.

42. 6r$)n opir o6looenooir eroiirpirai"l eroiren? 8n 6r@$g1ijenl0 pgs.

\ 41at is an opposing reaction ? Give an example.

43. peiir or9ooemGere Lon$f) oeirpnel eroirar? er@$g16snr@ pgs.

I 4rat is meant by autocatalyst ? Giye an example.

44. ClLrirg eluoti er9laoenel ercinpnel eroiroor? 6r@Sgl66trLGl p19s.

1 tlat is comrnon ion effect ? Give an example-

45. r-6Gen sl6o Lou6ou * g5l Lonurd saraoer u9cr51 g$51 Gerg Ll @$go.

Disthguish Meso ftom Racemic form.

10

+0. er$$erSeir entr KMnO4 saopeglreir or9larorqriqib Grng ereirior $lopl8pg1?

]M1at happens when ethylene reacts with alkaline KMnOa solution ?

47. L6ir (g6op6Dur 6r(ggt5.

W te Dow's process.OrW'ou'WaUlf

sPf a'tSolf+

l',l"

"",u. lLoe5lein 6' 6iir r5t 6 6i,r6ir r glp6i -6D6t6, e'El

What is fomlalin ? Give its use-

49. r9l eiirar lrg ri Gei Lorioqgdg IUPAC CIL-.ruJi p(E6.

4183

48.

Cive the IUPAC nJme ol lhe folloh in8.

COOH(er) |

COOH

COOHI

COOH

A. B tDrimril C:p oal-rrr6ls.

cH.N cISr., ,e H./r, _c

(A)

Identify A, B and C.

cHEN lry!-B H'lft c

(+) CH3CooH

COOHI

(€ir) (cHr)4I

COOH

(b) cH3cooH

COOHI

(c) (CHz)oI

cooH

50.

51. 6lp6 {l@Eecir areiirpneu ereiiren? 919 enehg p19e.

Wlat are cfuomophores ? Give one example.

Srww.kahdsolai.com? [ $6uqs / rum over

124183

u(gdl - m/ PART - IrI

g$iirq: gerGlern6 rgrff a$eir19$glLb 6eop$pur,+6 $ltECpt,6Clp6,p;5r 6Lon$pLb olgr er51emn6oq9dg orllaruuofl '

53. pmsLb ereuor np stpein pngle,gla5l gpgl rS fl $Glp@{isl'r u GdlpgJ ?

Explain the extractiorr of gold fiont its ore'

erSl ert nri s eo on

7x5=35

Note:Ansu,elanysevenqlrestionschoosinsatleasttwoquestionsfTomeachsection.

r5lflol - gr1 /Section - A

52. +it6i5lge6ir grolde;"pl L(Dornor6o5 greoria'g grir91-uneo Gonoirarsu9loi'rrrg

o6lor&gs.

Explain the formation of oxygen molecule by molecular orbital theory'

i

I

i

54. GLDr6dr6)6L L-oonomflot!15.$9 eun.$peoeo$rsaror crer:ornp r9rfl$Cl5@rrunulr

How are lanthanides extlacted from monazrte sand ?

55. [co(NH3)3(No2)3] 6rctll, el6D6iir6l'+ G+nLo$$oit

(st) IUPAC 6luuti'

(q) eoLou-r zGeuns sued($) n e#lsoit

(n) eellaneq arair

(L).9l6rlLoLrL.l

g$uouf eop erlggts.

For the complex [co(NH3)3(No)31 write the following :

(a) IUPAC Name

(b) Cenhal metal ion

(c) Ligands

(d) Co-oldinationnumber

(e) Geometly

WWwkalvisalai,cata

13 4183

dlrflol , qg / Section - B

56. ardltGTri9u9ein 6p L-l61u-l elqoaron e$eurfl.

Discuss the characterstics o{ entropy.

57. Kp tiglb K. riqgLb $eo:Gu L6ir6n GlprLir6DLr 6!r66fl.

Derive the relationship bet ,een Kp and Kc.

58. 6n(E G)66l6r6rrs o6 eo eoru9 el 99.9% a6leoeng$g 6Lrgarpsg Gpareru.rneuGpqrLoneng 50% er9lcoerr Gp$gn GLrgorpD(g Goaoaru:nen Gpr$eopu Gunei toLo,. ni6 eren $)96.Sho}t'that {or a first order rca.tion, the time required for 99.9% completion of thereaction is 10 times that required for 509i completion.

59. LAl6ir{E6D a1f)e9uald er6iirr.r Lr Gt 6 Gl,+n!Gpnri.sorarLr L.llfl er119gs.

W te an account on Cell Terminolog_v

Efle4 -$t/Section_C

60. C4H10O creinp elnrlrn@coru.l G+iro$$dr arobeln io r$flu ro:oatarq Lo

(gGen6 roriseoenu-.1 L.ir) erg$ Lr Gt I u fl @u.

\^/rite all possible isomers \^,ith the molecular Iormula C4H]0O and name them.

61, sl6lrrnalqarppqei'r geirnel 1gg6o$$psnen a0eoeri orglgarpugleoor orglerifl.

Explain the mechanism of Aldol condensation of acetaldehvde.

62. 6Drri +6 .9tdl6Db 6r6i:6xrg Gr6ooror9eb pu.Lnrfl dollr@dpg?How lactic acid is manufactured ?

63. Louric Auloen u6fl gf)r_,q eraoqs.

Wrire r "horr rore or {nacsdretrcs

Www"kaiviso!a;"corn . grltu-6 / 'iurn over

r---

4183

uglB - ry/ PART - rv

(gdlnlle6iT : (i) er9lenn oann 70 69 5LL[u.]Lor6 efilorrulofiBslrurel G6!6?i,TO6.dpgooiror ogennrioofleb of Gpgl Lir qgloing1 o,gennrisq9riqgo9en-uafl. 4x10=40

(ii) 6llorgp6 pneinlg e$ennrisqg&1g a$arruofl .

Note : (i) Question number 70 is compulsory and answer any three fi-om theremaining questions.

(ii) Answer four questions in all.

64. (e ) rnaS)ru genpu9eb .suefi gry$eogti oar&61@ro grenpeou-; e$cnri6s

(4) "'.qq9eo1@safla5lg$5l "".qqgrflein ere!ornp 19rfl gGp@&sLrr@61p51?

(a) Explain Pauling's method to determine the ionic rar:iji.

(b) How fluorine is isotated ftom their fluoddes ?

65. (g) sl6o6iir64s Geromrs6iT upgllu @ eoemi$peir rgeoolruqri Gloneiarsugeirsi 65tCsr6ir56D6ri 6rlLDer5

( + ) .<D.ggerp g1eop u.91e! r u einr @ Lb s$l fl u.lris gGerGrnl qeafl eh r ureinseoon

6119g16. (qcg@rLi AE51)

(a) Wdte the postulates of valence bond theorv of co-ordination complexes.

(b) Write the medicinal uses oI radio active isotopes. (any five)

66, (.1) stulefin rqarusaflein Lr6iinlls6o6r$ pO6.

74

( g ) a.BLorusen ere! er ng Geu$l ug uon geop u9an pu nfl &eLr r@6lpg ?

(a) Cive the properties of ionic crystals.

(b) How ale colloids prepared by chemical methods ?

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67. (+,i ) Cl@6irlrieeir +roeiirrnrrgarem$ pi9erfl .

(q) gi doine eu$gB ein elarLoLrarLL6 iqflurgrLr Lrlr6ijrLr616 IUPACo61$lgreopoarar erq9gle.

(a) Derive the Henderson equation.

(b) Write notes on rupAC convention of representation of a cell.

68. (+l) rnrirrrflS e1i-6eo$$teh gofl apS6 Lon$flu$eop oflo:rfl.

(g) gdLrq orarqe.

(i) HVZ 66l6D6ir

(ii) 5rrilrn66r,Lt6! $rio afloror

(iii) G6tr6lLg6in d)eiirennlugrrrl ergleoen

(a) Discuss the optical isomedsm exhibited by Tartalic acid.

(b) Wrte a note on :

(i) HVZ reaction

(i, Decarboxylation

(ni) Kolbe's electuolltic reaction

09. (.e1) Clueir$ein eD ru Gsn6b{lur Li gGarrarqr+6rtg$g1 S;lrisainr Gerioruseoorereiorng pu rrflLr I rtll ?

(i) ,'.L9arneir

(ii) geffiGend>

(iii) p-6DgDL[nG6n5i gGerclu6iiT$6i,r

( q ) gpgr;Genoiu Jleom reou erelor ng pgrgl - r nur ?

(a) Starting from benzene diazonium chloride how will you obtain the followlng.(i) Phenol

(ii) Anisole

(iii) p hl drory azobenzene

(b) How is the shucture of glucose determined ?

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C5H6O 6r6irp gD6DBe1g] or ru L-.r r6l6rr6n (A) 6r6irp sflLo GE|rL-DLD p(rlp]6b)^)

IeC13 LL6it eqpn 6l9p6Dpp Fq96lpgr. CCia / NaOH LL6iJr (A) o0aoarur@616np sflLo FOEleoeuUr6D5e1g] or rru L-.r r06n6rT (A) G,+riLori>

(B) LDDgdrb (c) +6lur @)9 rorfgsoror$ podlpgl. (A)-a cro2cL26)]L6i'r

e$eoeor$$g LbGr ng gri:erlgGerfpLb .s16Dl.6gl C6HaO2 6r6i1p (D)

GariLo$eop$ FOdIDO A, B, C rolgLb D - gd sainrf $5 o8aoangorot

6r(9916(e!) 11- 6r-rCJ Glg,.g$eou& G+npp 96 paAo.$$eir eeuGlr GeirLoLi (A), roull6i)

5lpp6 erohg Lb earg&oirrr$6lp5. @)dGeri.oLb 6euolGorg6er L.l u$leoeusofido 6eoporarr$5 B, C tDEgLb D oeinp GeiLoriseoar$

g(b61pgr.

A 100'c )B 230'C )c 20'C rDA, B, C LDDg]rb D gdu GeriLorfusoror-+ aaiir151s. oglenemeqgriana'r

+rocinr n@oeoon ergrglo.gl60 6u5j

(6) C,H".o areiirp ernu-:un@oru.r sflroe G:-:L: (A) sepp .rtpT oGlsniar ru?eirerainGlemrur ersu +leoprisr:'r $699. (Al +56r!Acardp Lb

g16oL6gl C7H6O2 ereillg geuria,g ornu.rrn$eoru.r (B) ereinp G+riLo$arp$

p1q6lpgr. G+riLoLb (B) NaHCo3 6ir El6i)ti$SlLr ClunrogdpS. (A) 6 gousporei't

k)

66DEp (CN- eir $ndrsco7+9L-eir Glar$ri;a eoorri:grn GLrrg CsiLDLb (C)

6eorii6lpg. A, B LoE$6 C gd oairrfl$p er9eoeooarar argrglo.

0.1M e16 rLqB :rldlo:$$eir pH g earri;61@o el$lrrqri eldloc$$en 6flao-=

LonfleSlu9oir LD$lrr L.l 1.8x 10-s.

Ccmpouncl (A) with molecular formula C6II6O Sives violet colour u'ith neuhal

{erric chloricle. (A) reacting with CCta and NaOH gives two isomers (B) and (C).

(A) on oxidation with CrO2Cl2 gives (D) of molecular formula CrH4Or. IdentityA, B, C and D. Explain the reactions.(A) sulphate compound of an element of group 11 is also called as Blue r-itriolThis .ompound undergoes decomposition at vadous temperatures and giYes rise

to B, C and D compounds.

A 10c'c )B 230"c )C 720" c >DIdentily the compounds A, B, C and D Wdte the equations {o1 the reactio.s

ORAn organic compound (A) of molecular fo:mu1a C7H6O is called as oil o{ bitteratmonds. (A) on oxidatlon gives (B) of molecular formula C7H5O2 which gives

brisk elfervescence with NaHCO3 solution 1\hen (A) is refluxed with aqueous

alcoholic KCN, compound (C) is rormed. IdentlfY A, B and C and wdte the

equations .

C;lculate the pH o{ 0.1 M CH3COOH solution. Dissociatiqn constant of acetic

a.id is 1.8 x 10 5.

(")

(")

(b)

(d)

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