No. of Printed .) III ... · PDF file12.06.2016 · No. of Printed Pages : 16...

No. of Printed Pages : 16

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Register Number

PART - IIIGor$ u5l u:orl CHEMISTRY

(prdl$ LofpLb gr dLeu arg! / Tarnil & English Versions)

Gprri :3 ro6idl J I G]LonFp LD$lu6lLrai,tr56iT : 150

Time Allou,ed : 3 Hours ] [Maximum Marks : 150

gdla.l6zrf, (1) et6o6nr$g o9enndaqgLb +rfluns u$erndl roirorpn arebupeoem

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12) 6trld et eleogl o6uq eoou9aoeir Lor@GLo ar199eupfrgtir,

sr qdGs nrq$6.rpp 96 Lrur6trtr@l;p Garain$t Lb LJ Lrirs6iT 6leo[6.rpE(9

Groindei uu.:ehr@$PqLb

Instructions : (1) Check thc question papel for fairness oI printing. If there is any lack of

fairness, inform the Ha1l Supcrvisor imrnediately.

(2) Use Black or Blue ink to write and underline and pencil to draw diagranrs'

qgSluq: Gparer.:urnatr @r$$rn rrLb erollf'g emeirur@oooen erqggls.

Note I Drah, diagranrs and write equations 'helever necessary.

U6Et] . I/ PART - Igfnq: (i) sl6o6npg e9arn6sqg&gLb er9ao ru.loflBooq Li 30x1=30

(ii) sfl!rr6i1r e$leoreou$ Gpir$Ctg@pgr o119gJe.

Note : (i) Answer all the questions.

(ii) Choose and wrile d1e cortect a.swer.

1. (gpg. Glupnp @eorpooeu orrflaoe:

(et) aa arrflore (=5) ad ouflore (@)) 6tl orrflare (n') 5d 6!f1@s

The incomplete hansition seties is :

(a) 3d sedes (b) 4d sedes (c) 6d series (d) 5d series

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2.

2

6l6iu-pt (NH3),C12

-

46 uur6itrLro8pgl.

(er) een aGeuno Pqlai;g Lon$g

(q) Gleuf eoe Genuq

($) Gpeoer.:ugle eun ggsrrqsqg&O er$|iLo19$gl

(r,r,) rooopuqd enq6&fl

Gs-pt (NHr)rCl, is used as :

(a) Antidole for heavy melal Poisoning(b) Syntheticdetergent(c) Anti tumou drug(d) Masking agent

ynuGlGemroiu - g $riro u1g&lgLiGungt dleoriuoreu oreoeu

(.g ) a&Gf noiu. "'"lry6Grneiu, cunrfr rGrnoiu

(.g) 1gqgriGeneiu, J"urJ&Gunoiu, 5r6J&GLIr6iD

(6 ) i"rlrrriGrnait, olr&rGuneiu, snarrfi Gureiu

( r,i') LonelGrneiu. eu nriuGrneiu, ariGrlnciu

Wlhat are the products obtained during hydrolysis of Raffinose

(a) Sucrose, Iructose, Lactose

(b) Glucose, Fmctose, Galactose

(c) Fructose, Lactose, Calactose

(d) Maltose, Lactose, Sucrose

4. erg r.r.ifl eoanu .sr-8ein ?

(€l) .96.fl6516i,r

(@) r+rflararu.l Gtgreora! .sL8oin

Which of the following is a secondary

(a) Adline(c) Secondary butyl amine

(q) eo ur9leo enei etrSoin

(rr) gosleoeoru 6lgueorei etrfeiramine ?

(b) Diphenyiandne(d) Tertiary butyl arnirte

5. 6.rn e.gla$en c 6iT6fl a6i,Ar'yneofleiii qg$pen E,,=

4d:mP-(g)--

-

2n2rr.e2(-a) -;42 (g) - (") -

The energy of electron in an atom is given by En:

4rr2me4 h"me"-,,2 (d)(")(b)

2,2 'rte4

n'h-

_;,F

2"trte4

2o'me4-1J

,,,2h2



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6.

(+) .ptd2

7. 6u n 6660 6rrfA a 6ir

(et) e6lGronaoorr

($t) Lon&emeorr_Lanthanides are extracted from :

(a) Limonite(c) \4agnetite

(a) NarCuCl.(c) KalFe(CN)61

(a) Shape selectivity(c) Increase of fuee energy

Tlre hl bridjsaLion in \eOla molecul- i\:(a)

"p' (b) "pra2

(6) "p3d

(c) sp3d

ollg$gr Lq ngctp@6ouu@6eirpor(q) GLorenater(n) anar!rrarqr

(b) N{onazite(d) Cassiterite

@) NarCdln(d) K?[Fe(CN)5]

(er) "p3 ( ,-r, ) sp3d3

(d) sp3d3

8. 8$&sirainuerer$geir er5] $)pLofrp GeriLoLb ?(€r) Na,CuCta (g) NarCdI,(@) rntne(cN)ul ( Fr.) qlFe(cN)61l\rhich of dre Iollor,r.hg compound is not colorred ?

9. efleoanGells Lon$flullarne 96 o.garenu!1eir GeraLi.:ll$orflLrueop rgeirougLb er$perpafl efluira a,gr6p5l ?

(.e) ar+6xg6op cpi$Gtp@gpeb (4) grsdfl6i,r L(9o.r6nq

I9) .".*." €,pp6b el9sfl5p6b (r.r) dloriireqgp g6p{ O6opp6iltrVhich one is the correct factor that explains the increase of rati ol reaction by a.aLah,st ?

(b)

(d)Particle sizeLou,edrg of activalion enelgy

10. aa5lLo Log$gsoir d)oel1Lb L:uenafl 6o snrJearrri :

(et) .qeoer glT u-.r 6rl Lo u rt6ir6o aJ

(sr ) eror6eng o a'1$ el g--rf dseunn(@ ) Gpn! taiDrrndj glb 619r-6lseoen oorflpab serq5peir(n ) ererflpdu rtoouluur@ uquq oorTull@6pg1Colloidal medicines are more elfective because :

(a) They ar.e clean(b) They are easy to prepare(c) They athact gernrs more easily(d) They are easily assimilated and adsorbed

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11. g6rq6o6ir@o6ifl oin 6)rngtornen q1,ri;onSgGen$gr peool :

(er) +l (+) +2 (6r) +5 (n) +4The most coDmon oxidation state of Actinides is :

(a) +1 (b) +2 (") + 6 (d) + 4

12. gtrugl6r86ir gdleu, srq 6lenoirareu9einrr1, rrpftseh:

(er) p@por,eu$ peinarLoqeorugt (q) +ltdleu$ poireoLoqaorugt(6) onfp poirorLou-,1eoL-u.rg: (r+) r+rfluelq$ g6ijT6i)LDu-.ldoLurgl

Accordhg to Lewis concept oI acids and bases ethels are I

(a) Neutral (b) Acidic(c) Basic (d) Amphoteic

13, +.iGqndeb lgpgriGsnoLb, .'"ulrirGrneib Oarenlisuuuqouugt :

(=el) Cr-C1 (+)Cr-cz (6)) Cr-cr (lr,) c1-c6Sucrose contains glucose and fructose linked by :

(a) C, -C, (b) Cr - Cz (c) C,, C., (d) C1-C6

PCl.: PCl, + Cl-1a. ir' ;;' -,*i

" A, eL-or5larreu a6leooru0el

ii6i,rc@rnriig o0eoen6qg &rrp&LDns €)l6orD6ugl :

(+) P( 15 6iir 6a{1enar s$arf uugt(.%) Clr-6tr Cle$)arar er$le rfl uugtIg) Cl,-6i,r 6eflo6lei, Lon jpr-6leLeoa,

(r,r,) CIr- eir 61+fleoar lgaopLrrgt.

-tor ttre Eorilibrirr- P( 15 I-( 'l t - u 'ltg \g (c)

the factor that lavours the Ieverse reaction is :

(a) Increase in concenhation of PCls(t) Increase in concentaiion oI Cl2(c) No change in concenhation of C12

(d) Decrease in concentration o{ C12

15, Sorrqb 6ellr r9ain pH erebeoeu :

(.9r) 6.8 - 8.a (qt) a.a - 6.2 (6) 3.r - 4.1 (Fr,) 8.3 - 10

pH range of phenol red is :

(a) 6.8 - 8.4 (b\ 1.4 - 6.2 (c) 3.1 - 4.4 (d) 8.3 - 10



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16. 6rgl olLU-.rG6n 9656b 6,rl6o6ra19l6b m@ulngl ?

(e) m - Clunglu9lLoeir (+) elefle6leir

(@) p - elr-6lGennr9enncil (n) Glu eincoe elel r-8eir

l{hich of the following will not urdergo diazotisation ?

(a) m- toluidiene (b) arriline(c) p - amho phenol {d) benzyl amine

17. 6lLJ6! eri+eu- qppasol eI$ @rir .onppLb:

(sr) AG=AH+TAS (+) AG: AH-TAS(g) AG=AHXTAS (n,) GLoDa,flu erglq rftelooeu

Change in Gibb's free energy is given by :

(a) AG=AH}rAS @) aG = AH_ TAS(c) AG = AH x TAS (d) None of the above

18, 6r$p er9lorariGlunlgqg&qg arr er$$ci r+pft seoquunenrou Lrueiru@dlpg ?

(et) g,rsr6iD eflarenLrGunlgoir (g) Gueirrnoin orgatonrQunlgoir

(@) rroraineiu or9eooruGlunqgeh ( r,r.) 6lrfl rierrri@ orgeoarriGlungeirDiethyl ethei is used as a solvent for :

(a) Lucas reagent (b) Fentor/s reagent(c) Tollen's reagent (d) Grignard reagent

19. o$rior9&.*6snan enqamLi :

i e) 6 6br6Dpp oar*r'9noi;r .grano-q(q, t $laoeu$p o r' oqj

(6\ 96n6Dnllp p6ir6D-oL Ep L_50( n ) S a-eur' u$ peireoLol$., 61 6u.iLt "6ijr gl@LDLr,l

Radioactiviry is due to:(a) StableelectronicconJiguration

(b) Stabie nucleus

(c) Unstable nucleus

(d) Unstableelectuonicconliguration

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20.

6

8$&snai"'rlarou$gcir G+nrluLi eng4rrynri;6i)6rilt+6i saoiJuirpgl drgt ?(sr) cH.No, (et) cur-cn-No,

CH:

CH"^l'{gr) cHr-c-No,

CHs

\{4eich of the Iollowirrg witl(a) CH1No,

27.

22.

(a) Adipic acid(c) Terephthaiic acid

(n,) CH.-CH,-CH.-NO,

not dissolve in NaOH ?

(b) clt3 - cH-No2CH:

(d) cH3-cH,-CHr_NO,

Phthalic aniydrideOxalic acid

CH"tJ(c) cHl-c-No,l-

CH:

SrGunafl all 19$5l +uGannarpo; rfl ein r19ou npe! erp$g er@$gri;anr@ ?(.s1) erolri:rTnein se! ir Geiri6os (g) s1966!ri Gsri$eos

-

{@)-s6g6sern u$erS@ (r-r,) creudrqrain aarn r$ld@The fo:rnation of cyanohydrin liour a ketone is an example of :(a) Elech'ophilic addirion p) Nucteophiic addfion(c) Nucleophjlicsubstitution (d) Electrophiticsubstitution

+rt@)6dl6in ereurirlreir Brurrb :

(.1 ) r65er .et6r6! L6in Gprio,ll6lp$ 6p nuriqao rugt( ql ) -tg- Jt 6n6! L6iir er$ rio8dp$ 6pnri qeorugl(@ c ger J) dl6norLr GunE$pg etel,eu(r') A6xDdl6 ers orri)cirnarThe electron aI{init}, of an atom is :

(a) diiectly proportional Lo its size(b) inversely ploporlicnal to its size(c) is independent of its size(d) none oI these

or$$ei5lein 6aror&onar5lerlqg$g Glrrfr a$ein zaiorrr&s Lpq6lgl :

(et) erquLlli .g ri]euLir (g) pne,5l; $rfle$l(@) ClurflpnoSl& grJleuLir (,-r) g&+ner$6 e4l6)euLbEthylene giycol tbrrs terylene with :

(b)(d)



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24. .sr6ap 6lorLtr $)aoeuugel $riLoLone zoiror qGeunsb :

6033

(.sl) 6lgriLonafiuLb

(@) ono61u.: Lir

(c) Gallium

25. Geup&+Lo$looeuuSlein peirieoLo :

(et) @uorge eopeoar(@) geingLIle eoeu

State o{ chemical equilibrium is :

(a) Dynamic(c) None

(g) erSlsLb

(@) u*S.,t

(a) High(c) Zero

(q) @ainrqu Lb

(.-r,) pre$ uLb

(d) Thallium

(+) O-p"r.t(,-r,) ds6 garpel

(t) Lou,(d) Very low

The metal which exists as a liquid at room temperature is :

(a) Germardum &) Indium

(gl) 6leoou norsr

(n.) gtr6iiir0Lb

(b) Stationary(d) Both

26. SpEp ClourJr LoibELir L6l6i,r 6r Sgt$$p6i,r Glerainr rqsrarooir:( gr ) gruarfl t! rrgeri:oeh (4) (,ard;e',g rLqerarsoh(@l) lGauna uLgsrfuseir (r.r,) eoLglaoarruq uqerasohThe crystals whicl are good conductors o{ heat and electdcitv are :(a) Ionic crystals @y Molecular crystals(c) Metallic crystals (d) Covalent crysials

27. pedLoraoorfleiir ageunpaSeir puu ed_qeun +pp66l6ijr Lo$lLrqoeh:

Standard free energies oI formation o{ elements ate talen as :

28, aA + tlB,6r6inp orglaoenillob, A-ugein Glefloll Sgmrruenrip;Lb Gunsr, aflareoulleinGoro Li Bnainlq Lor_dsn6pg. Solo,gaoarugtein GarsLb :

(sr) kiAla (el) t1a1% t@t rtel" (Fi) klAlFor a reaction : aA -+ bB \.vhen the concentration of A is doubled. The rate oI reactionis increased by four times. The l?te of the reaclion is :

(a) klAla (b) rt,r1)'z

tlrc) klAl; (,1) klAl

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29, Cleur +nLburi grcopugel SO3 L(Eorrglb oEleoenullei Lainln(gb @ooipareueGeiLori

'(gl) No (.a)No: (6) soz (*) ozThe intermediate compourd produced it1 the {ormation of SOa by lead chamber process15:

(a) No (b) No2 (c) So, (d) o:

30. 8;p56@,r'l LarEJ6ir 6)l6516[.LD u$rio er 6euri:

(sr) CtCH2CooH (+) cljccooH(6) CH3CooH (n,) Cl2cHCooHAmong the following ihe strongest acid is :

(a) CICHrCOOH @) C13CCOOH(c) CH3COOH (d) C12CHCOOH

uo}6l - r/ PART - rr

Odlnq | (i) 6rGpgt6 u$66,6dr$g orglenn&opg&1g ageoruofl&se4Lb. 1Sx3=45

(n) geuGlerng o,9emnafl$igLb g6iJrgl cll66Dgr @yaim@ arnri6u..:nrsorfl eir

er$o u-orfldaq Lb

Note: (i) Answer any fifteen questions.

(ii) Each answer should be in one or two sentences.

31. 6r6uijl[n6ijr gpp6r06ir erpriri;gfl u9ei'r g]66lu.r6glou6 urrgl ?

What is the signficance of negative electronic energy ?

32. Clurrrn8uLb guefiu9ein (K+) marp$pei Lcrfl60 11.25, etpeir pary e1g),io(EL6lein sat Loaou& oon&61 @.

Screening constant of potassium ion (K+) is 1:t.25. Calculate its eflective nuclear charge.

33. Gurrrnoil rqenqLb erelornp 6LpLru@6pgl ?

How burnt alun is obtahed ?

34. Cleutrq6in goeirg luoinoaoar er14g1o.

Write any tlree uses of 1ead.



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35. r9lerrneuft aei (eLbuofl) 6td$Daao @chal ?

What is philosophels wooi ?

36. Gunricrn6 seuaneu ereitugl 6r6in6rr ? J9{p6it uur6itr ur[gt ?

What is ca1led Bordeaux Mixture ? Mention its use.

sz. grfluaflei poqgLb uus6 o,5laroraru o9lorB1q.

Wdte the nuclear reactions taking place in the sun.

38. a9lLflur6iD pcoareoLo ereirpnei ereinor?

What is a vitreous state ?

39. Glollru @uBoa,9ue! @Tai,rrnib o9l$u!leiri 6le6oSleir - r9ornri& *q@t p$ p@6.

Give Kelvin-Plank statement of second law oI thermodynamica.

40. GetreuigLb eLo$)orou e,9laoeneqgdqg eo$1ooeu LDr06rtl6qD&5rdr eroetun@aanor

. H,O, = H,O + !4O,(a) :'(s) (gl G)

CO r H.O -- cO, + H2(D, (8, (8) (e)

Gt

N"O, = 2NO"lc) G) (c)

Write the equfibriu:r constant {or the following :

H,o" - r1"o t Vo,la)

G) {gl (s)

COTH,O:CO:+HztD) (g) (s) (g) (gt

N.O, = 2NO.\Lr (d r8)

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41. .sr@pp$.ggl $leqgLb o!)aren eroiirpne! ereinen ? er@$gr,ieru@ pgo.What is consecutive reactions ? Give example.

a2. glp{ ereos o,lleoaiuiJcir er9leoerGare Lonflar5lu5leirr o$)uq 1.54 x 10-3 sec-r eradlai.,.

++t6nrJeir.r$6q snar$eopri 66rrr6Cl0.

The rate corstant Ior a first order reacLiorr is 1.54y10 lsec-1. Catculate its hau,lifeperiod.

43. eatprlunein er$lri e;.$Loaeoi 6r6irTLt6o6u urr6o6l ? er@$g16enr(1) pgo.trVhat are lyophobic colloids ? Give an example.

44. 6r6o7utgl Gronclnri sr.$g Spoin, ++rpeb eloate 6qflurg)@s.Deiine molar conductance. Nfention its unit.

.45. d, l io$gLb dGen unrirnrfl& elrlleu$$lein eunurun@ (qpG)euafl claoouq) pgo.Wdte the ,omu1a (qonfigxration) for d, I aid meso tartaric acid,

d6, 533 K Gl6LriLr6lareou9eir 6erfle6ire0etr Lfg q6ena!& el6lou$$dn ergaoou u_rrgl ?

lvhat is tlle action of oxalic acid on glycerol at 533 K ?

az. er$peSoir 6len6fi{i,srr6o6D s4rri uneiurnfi& etl6)at$glrein GlouuuL:r@$pLbGrrirgt

$s19 Lir eilteoeneou er1ggt.

trVrite the equation for actron of heat on etLylene glycol rvith conc. phosphoric acid.

48. GunGurr erll$leou erqggs.

Staie Popott $ rule.

49. orri Lrn8orlki 4lr6leunoaocnd; eairrrdlarodsrr6n @g gu:eqsarran$ p6o.Cive two tests for carboxJili. acids.



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so. CzHaN #* B HNo, r C

A, B, LDDg6 'C aou eairr fl.

C,u"N t{Hn rR HNoz ,c_ A EthE

Identify A, B artd C.

51. ppLb zu.ln$$leeh ereinuooeu urneoo ? 6rGrSgld;6nl@ FO6.What are auxochlomes ? Give a]l example.

u(gEtl - m/ PART - nr

gfluq : gei:6lo.rn19 r9lrfla9lel5l19$gt6 O6,p$puueLb $rqy oflennrisooor Gpri$Gtp@$g5JGFg6 ogp o$enn6eqge!19 ofleoL-u.lorflri;seq,b.

7:7Note i Answer any Eeven questions choosing atleast two questions Irom each

section.

rgflq - €{ / SECTToN - A

52.'d' qrirSlLrne6leir ouqarrusaror o$or&1ga.

Discuss d1e shape of ,d, orbitals.

53. gtglrilGain 6erru g@iio gratparu-r or!)arrf1.

Briefly explain aluminothermic process_

54. GLotr6u6D6L oanefleflg$5t arn$penor@saoor oroloung rglfl $Gp@uunur ?

Descdbe the exkaction of laathanides from monozite sand.

5S. @eoon$lpein rgeoarruqri 6lonoiratsrl9ain sqggtGenehoenor erqggto.Wdte the postulates oJ Valence Bond theory (VB).

[ $)1guqs / Tum over



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Eflo] - e$/SECTIoN-B

56. ereirrGqnr9 u9ein Ep L.: r91 uoirqsoir uneoar ?

l^rhat are the characteristics of en-tropy ?

57, ef enrefluri Gleneheoearuri c-pto.

N2O1 + 2NO2 AH= +59 kJi/moleG) G)

ooinp o,Sleoorullab .sr119$plb LoEgLb GlorLru$leoaru5leir e9eoeneqseoen er9arrfl.

State Le-Chateliels Principle. Discuss tl1e effect of pressr:r.e aid temperatute on theIollowing reaction.

N2O4 + 2NO2 AH= +59 kjlmole(c) (c)

58. 6r6iflu-r a,9leoenaqgrilgLir, E&orunar o0eoeroqg6qgLb +cireir GargunO66iT urrmalr?

Dilferentiate simple and complex reactions.

59. Cj:ri,o gtLb -6leiriser,$$lair r-6leir .+g$p$enp 298 (-61 66ri d6l@5

zn/z#+ @:0.1)/ /cu2+ (a=0.01)/cu

E'- ,.,- : - 0.762V

E"- ,*,^ : + 0.337 V

Calculate the potential of the following cell at 298

Z^ I Z^2 + (a = 0.1) / / Cu2+ (a = 0.01)/Cu

E"- >*,- =-0.762V

E"^ :* ,^ = t 0.337 V



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,llflq - 6tlsECrroN-cSpriaainr sTarflsqgreir aor er$$el rrpri crolorng ofleoerrqrfldlpg ?(a) H+/HrO (b) pclsHow does dietl-ryl eLher reacL with the foilo\,!.ing reagents ?ra) H /H.o tb) p(t5

+16 rrnd qarp4rgei peo 16l rg Lir erafl u gdu tndu 1gg6s ogaremu-g ein oSleoem

orglg:eopeou er9eurfl.

Explain the reaction mecl-ranism of acetaldehyde invoh,ed simple aldoi conderuation.

62. 6Dr&qri etr61a;$otp Glpnpp,g, garpugol ererer ng pu.lnrfldseunLb ?How is laciic a.id manufactured b1, fermentation method ?

63. E&666fdrl6)rDenp egonrigs(a) .stdl6D 6ri6l,s6irMte short notes on :

(a) Antacids

50.

61.

&)

(b)

ore$l parnTarfleoh

Analgesics

rJ(9E0 rvl pARr - rv

Odln,] , (, 6mn$pLi pneing oflennrioqgri;g agleo ruaflrioel rb 4x10=40(ii) 6916fitr erdr 7\-e,1g ELLrTtur-orTo o$ atrueiflcisu I rd Gatain@ Lil.

Lfpgrehon erglerr n6o 6ifl 6i eyGggl6 zuD6irrgl o6arnrioqggrige$ ao ru ofl ri oel1 Lb .

Note : (i) Arswer four questions in all.(ii) Questionnumber 70 is compulsory and answer any tlrree from the remaining

questions.

64. (et) crau6uTirein eerippglrienen (gefli,sei,r +rlo116,gr6Dr e$orrfl. etpeh 6pLtrlolpLb lgaoparLrl& 6fl nr_91@o.

(q;) sairiarrnqeou e1Rppd - g$lLrq erarqo.(a) Explain Muiliken's scale of electronegativitv. Mention its advantage and

disadvantage.(b) Wlite a short rlote on Etching on glass.

6033

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6033 74

65. (sr) [Co(NH3)5C1]2+ oeinp stenarel]Geri Lo$$1$1q rgleinarger,remorf enpB

rsr6l&sorLi :

(i) IUPAC Cluui(ii) 6[rlDul zGeuns g1u-]6nft

(in) n'eflsck

(iv) g6o6brr6)l 6raiur

(v) or+ord)

( 4) e$l fl ueo gGenGrnuqsofl oin Log$5lor ru'l ainseoar erq95s'

iuf . lo, th" .o^pl"x [Co(NH1)5C!2+ mention :

(i) IUPAC name

(ii) Cential metal ion

(iii) Ligands(iv) Co-ordinationnumber(v) ShaPe

(r) i4ention the medicinal uses of radioactive isotopes'

rglrnri eLD6i,rurGl 6i6i,rpn6D 6r6ijr6'r ? elpeir g661ul$5al$aop o0er16(9o'

o,lleoenGers r-orSflu9eir GllnSlelnelr 6lpL-lr9lurdqsoir unaoor ?

Wllat is Bragg s equation ] Give its significance'

\\4rat are th"e'general characteristics oI catalyst ?

66. (sr)(et)(o)

(b)

07. (er) GpoainL-ri+ein eLoeinunreor er19a9l'

i*l t*t u,ga srrqeun 4!pg6g6 zoiror Glpnrrieou o'r19o9

rar Derive HendPrson equari''n

(b) Deri\e the relaiion'liP bPlr\oen F\y'1- anJ free Pnerqv

68. (er) arrlSGornGrln G)ueirfeticu 5r6r0-rLrlr@Lb Lon!$lu seh Lofgl6 elerOflelT

6rDLq-- $19uqp$toein arrflaoearu arq95s

(g) GeinougLb efilaoaifls6ocriu u!$l 69 gfluq oreols'

(i) Gsnenrgeir r-6leineorn$rgllq er9laroi

(ii) HVZ - 6gl6o6n

(in) .'"LrfrL6i) 61r1n!reiu el6lror rGeuSp ti>

(a) Wdte the posstble isomers of dichlolobenzene and their dlPole firoment order'

(h Cive a brief ac' ount ol the follos rng :

(i) Kolbe's elecLIolvh' ren rion

(ii) HVZ reachon

(iiil !rredel Crdll' AcPwlarion



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15

(e)d$d:oirglLir on$pr scir erereungr pe $$gLru@Slailrpar ?(i) (gG6rmcrn Glueirsein + +lotflarlain'rir geofet ai, - o?r"...J s,,,r.b(iii) Gueirfoir eorurGen6ifl ulb gGorneo4@ + enlGlaroenail(q;) Gru;or@ LgorenrrLrq erapn<; ereirar ? *Osgjer;;O:; er9.ar6gs./a\ How .en ilre fntloh Lrg .on\ etsio,ls be eftected ll1r ( llorobenzen. 7 Anilinp(l) Adline + Schilf,s base

^ /iu) B. n/ene Jidronilrm , hloride - Brnhenvtt.b\ hh.rr is c.rlted pepLide rinl"g" : i,prJJ ;iil'".o.p,"

lg)sr|Lc GeliLori ,e 6r6irltgl C7H5O3Na creirp greu&o,E olnurln@ Glancinuj:::i:li:ep: GenrqLi-r zuq GeriLo,l,i.- *, 6un.n *nl,--*.o,i,q.uin. "_LruL|Jppr"r j\oc. "9, C,H"O creir_ goa;*e"E1 6.r_!i -:,@Lr ,8.219^;un6ogt. 69; f O5r-. 6t,_,,t.,Ra gcu;neo16*.A ,.g.i,p,t*ppBgdpgl_ Gei

^Lb ,8, Genqu:Lb no,pa,-7nla.*6; ;;;;;; 3u*ru.o.,Leiir oliaoenqrfl$g ,C, 6igtrb 6r6iul6Dlg gghe!, o, u,

"Og,ala, ,rr'66dnLdl$g o:r!l eo erioeo ar ogor.olge.(€):. lqrd Lo.q^eeir $1p uGeun6Li 6,.186|rro.us3;$ at sarEru& .u,Eury.gtoreqGeuno$$)ein a'lgtriclurr Frrg, $;pp (CN LL 6i,r.Sn"* q,n$glE 6rgj6 ,s6d)ture6aqu, e enarru,lil GrfLDS6r,p po6l;gl. [*CrU.a

I d:: ?^y;:,."*^ ,-rps, rc1Gg,-e er<auqd"G.'o?:,,",_-oJ .bnT LG6L rrslil A. - 6iJ,t,tL1lLb p(D6lpgf. A, B, Lo$p Lit C eou:6 o;a:nr$)iigie[Jeaeolsaoon ergtonr!6s.

(6)) qH6o 6r6np gr6D6*,g @..,*ri,"7Gile:l#.u ojflr,!.i G+riLDLjr 1\.eCr-,irLUrrrl5

9:",.:,u" ..:qrr* c7H6o 6r6iim gpar,BcrE ernurL.ln@"r'.ul ,;ai.1,

B se$p unpnib Glsirraorugeh o-am6laou n ir"lr6$pj. iluri.* o, u.::i' "itit-i "5 c,rdroo o'ol i Good*,J --Lf n6 e ,..,o6:.n)dr l: csiLor-b C'ar",5.l1rJipgl Gallj b B !lqe , piet5ta_ u-r...L6.\-6dT,& gd6riAl 6r ao.r 6n,_lDg! r-"H"O. -,g- Gr61r 6aJ.- rlru"G6nL u, 56i,rEp. +ru:,-- olJ.p po$po -o-u F .og3 i,

, D-aould sainrS$g o$aoeoej6o6r o,iar.iige.(n') 3rj snuuri a,gri Lf rurfld_r 50 u5ld 6rtl gorgLr_r i dleirGenrri rLi 60I

^,. ::* 6)aglgpn r @ 6Gr ngr ersgr qa: ngLb * ,. Jl, ;;;" _;"r.r-_seor$d@.

603369.

70.

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An organic compound 'A' is a sodium salt of phenolic acid with moleculal formrrla

C7H5O3Na. 'A' on heating wiLh soda Lime grves compound'B' of molecular {ormlila

CuftrO. 'A' gr""" "iolet

colour with neuhal feric chloride 'B' on heahnent witl-I

ciHucoctir'r*,upt"senceofNaOHgivesanester'C'Identify'A','B'ar.rd'C''Explain the reachons

'A' is a yellow coiourecl metal soiuble ill aqua regia The roasted ore of this metal

reacts \'\,'ith di1. KCN to Iorm a soluble complex'B' T1-ds comPlex'B' reacts u'ith

Zinc dust to form another complex 'C' along lr'ith the metal 'A' Identify 'A" 'B'

and 'C'. Explain the reactions.

OR

An organic compound A o{ molecular lormula C3H6O answers iodoform Lest'

Another organic corlpourd B of rnolecular formula C7H6O is known as oil of

bitter almonds. A reacts with B to Iorm an unsatur'ated compound C of molecular

{ormula C16HrnO. Cotrpound B reacts with malonic acid in the Presence o{

pyridine to iorm al t lsaturated acid D of molecular' formula C9H6O2' Identify

A. B, C and D. Explain the reactions.

If 50 miiliampere oI cuuent is Passed through copper coulometer for 60 minutes

calculate the amount of coppel deposited'

-n0o-

(u)

(b)

(.)

(d)



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