Electro Chemistry 2 ans

kshus; jsIhh tall fldgi lshjSfuka wk;=rej wod, chemistans.blogspot.com  m%Yak j,g ms<s;=re imhkak'iuyr jsIhh tall fldgia  ms<sn| oekqu icSjSlrK iu. animescience.webatu.com fj;ska ,nd  .ekSug W;aidy lrkak  Tnf.a ms<s;=re iemhSu wjYH m%Yak m;%h i|yd fj; chemistans.blogspot.com  msjsfikak'                                                                            fuh Tng iajhx we.hsula jkafkah' ms<s;=re fuysoSS mrSlaId lrkak

ksrka;rfhka isoq lrk iajhx we.hSu  Wiia fm< jsNd. j,g id¾:l f,i uqyqK oSug w;aje,la jkq we;'

bf,lafg%dav iu;=,s;;dj 2

;kQl i,amshqrsla wus,h l=vd nSlr follg fjk fjku f.k A yd   B jYfhla f,an,a lrkq ,efns

 A Ndckhg   Zn f,dayh;a B Ndckhg   Cu f,dayh;a fhdod ,jK fia;=jla u.ska o%djK w;r iusnkaO;dj mj;ajd f.k we;

1 TlaislrK yelshdj jevs f,dayh f;darkak

Zn f,dayh

2 l=uk f,dayh u; bf,lafg%dak mSvkh jevs fjhso@

th fjkia l< yels fjk;a l%uhla ,shkak

 wus, idkao%Kh fjkia lsrSfuka

w.% w;r bf,lafg%dak mSvk fjki Ndjs;hg .kakd f,day hq.auh u;o r|d mj;S

tnejska hus f,dayhl TlaislrK yelshdj jsNjh u.ska uek .; yelsh

3 ljr idOl fuysoS iusu; lr .; hq;= o@

wus,fha iajNdjh

wus,fha idkao%Kh

f,day hq.auh

WIaK;ajh

4 iusu; WIaK;ajh f,i ;nd .kakd w.h lSho@

298K

5 iusu;  f,i Ndjs;hg .kakd bf,lafg%davh flfia ms<sfh, l, hq;= o@

lsishus f,dayhla ,Sgrhg fu!, 1la jk tys whk o%djKhl .s,ajd ;enSu

6 iusu; iskala bf,lafg%davh iuSmfha isoqjk m%;sls%hd ,shkak

Zn_(s)            Zn⁺⁺ _(aq) +2e

Zn⁺⁺ _(aq) +2e                 Zn_(s)

7 fuu m%;sls%hdj iu;=,s;;djhg m;a jQ jsg o%djKh;a bf,lafg%davh;a w;r yg.kakd jsNjh ljr kulska y|qkajhs o@

ksrfmalaI bf,lafg%dav jsNjh

8 m%dfhda.slj uekSu myiq jkafka fjk;a bf,lafg%davhlg ^ iusu; bf,lafg%davhla & idfmalaIj fuu bf,lafg%davh u; yg .kakd mSvkhhs th y|qkajk ku l=ula o@

idfmalaI bf,lafg%dav jsNjhhs

9 iusu; bf,lafg%davhla f.k thg idfmalaIj jsNjh ueksu i|yd Ndjs;hg .kafka l=ula o@

jsNjudkh

10 by; i|yka l< jsNjh m%dfhda.slj  uek.; yels o@

fkdyelsh

11 iusu; bf,lafg%davhla f,i fhdod .kafka  ljrla o@

yhsv%cka bf,lafg%davh

12 th ilid .ekSfusoS fhdod .;a bf,lafg%davh ,shkak

        Pt

 13 jsoHq;a jspsfPoHh ilid we;af;a flfia o@

,Sgrhg fu!, 1la jk tys  H⁺ whk o%djKhl .s,ajd  jdhq f.da, 1 l mSvkfhka yhsv%cka jdhqj hejSu

14 iusu; bf,lafg%davhl  jsNj w.h lSh o@ 

Y=kHhs

15 tu bf,lafg%davh u; isoqjsh yels m%;sls%hd ,shkak

  2H⁺ _(aq) +2e                H_2(g)

    H_2(g)                         2H⁺ _(aq) +2e

16 iusu; iskala bf,lafg%davh TlaislrKh fjhs kus  fuu iusu;  yhsv%cka bf,lafg%davhg iusnkaO l<fyd;a by; ljr m%;sls%hdj isoq fjhs o@

2H⁺ _(aq) +2e                  H_2(g)

17 ,jK fia;=j fhdokafka wehs@

  ,jK o%djK w;r ikakdhl;dj we;s lsrsug

18 iusu; f,i  iskala bf,lafg%davhla ksrEmkh lrkafka flfia o@

 Zn_(s) / Zn⁺⁺ _{(aq,1.0mol l-1)}

19  iusu; f,i  yhsv%cka bf,lafg%davhla ksrEmkh lrkafka flfia o@

 H₃O⁺ _{(aq,1.0 mol dm-3)} / H_{2(g,1 atm)}  ,Pt_(s)           

20 ta wkqj iusu; fldaIh ksrEmkh lrkak

   Zn_(s) / Zn⁺⁺ _{(aq,1.0mol l-1)}   /  H₃O⁺ _{(aq,1.0 mol dm-3)} / H_{2(g,1 atm)}  ,Pt_(s)           

21 tys ol=Kq miska Tn ;ensug n,dfmdfrd;a;= jkafka ljr bf,lafg%davh o@

TlaisyrK bf,lafg%davh

22 tys jus mi Tn ;ensug n,dfmdfrd;a;= jkafka ljr bf,lafg%davh o@

TlaislrK bf,lafg%davh

23 .e,ajfkduSgrfha  iQpsfha N%uKh jdudj¾;o@ olaIsKdj¾; o@

      jdudj¾; $ iDK w.hla f,i fmkajhs

24  C, iskala yd fldm¾ bf,lafg%dav i|yd ,enqKq w.hhka ms<sfj,ska  fuys olajd we;

  -  0.76V  ,            +0.34 V    ,     C      -1.18V

TlaislrK  yelsshdj by< uq, o%jHh f;dard ,shkak th wjfrdayK ms<sfj,g ilikak

C, iskala yd fldm¾

25 jvd jsoHq;a Ok uQ, o%jHh l=ula o@

C

26 jevs jsNjhla iys; fldaIhla idod .; yelafla ljr  f,day hq.,fhka o@idod .kakd fldaIfha

js' .d' n'fidhd .;yels iuSlrKhla ,shkak

C yd fldm¾

E cell    =    E _RHS –   E _LHS          fyda             E cell     = E _TlaisyrK –E _TlaislrK 

         =+  0.34 V   - (-1.18V)

27 iskala yd fldm¾ iusu; ;;aj hgf;a Ndjs; l<fyd;a iEfok fldaIfha TlaislrK w¾O m%;sls%hd ,shkak  fldaI m%;sls%hdj ,shkak

TlaislrK w¾O m%;sls%hd

Zn_(s)            Zn⁺⁺ _(aq) +2e

TlaisyrK w¾O m%;sls%hd

Cu⁺⁺ _(aq) +2e                Cu_(s)

fldaI m%;sls%hdj

Zn_(s) / Zn⁺⁺ _{(aq,1.0mol dm-3)}   /         Cu⁺⁺ _{(aq,1.0 mol dm-3)} / Cu_(s)

Zn_(s)    + Cu⁺⁺ _(aq)                                 Zn⁺⁺ _(aq)            +Cu_(s)   H= -213KJ mol^-1

28 fuu iuSlrKhg wkqj m%;sls%hdj isoqjk jsg  fldaIfha WIaK;ajh jevsfjs o@ $wvqfjs o@

fldaIfha WIaK;ajh jevsfjs

29 fuu moaO;shg iskala whk tl;= l< jsg iu;=,s;;dj ljr foig fhduq fjhs o@

iskala ;ekam;a jSu

jug fhduqjsu

30 iskala ;ekam;a jSu isoq jqjfyd;a ta i|yd jehjkafka fudkjd o@ tjsg jsNjhg l=ula isoqfjhs o@

bf,lafg%dak

bf,lafg%dak mSvkh wvqfjhs jsNjh wvqfjhs

31 fuu moaO;shg iskala whk wvq l< jsNjhg l=ula isoq fjhs o@

iu;=,s;;dj ol=Kg fhduqjsu f,dayh oshfjhs

bf,lafg%dak mSvkh jevsfjhs  bf,lafg%dav jsNjh jevs fjhs

32fuu moaO;shg fldm¾ whk jevs l< jsNjhg l=ula isoq fjhs o@

 fldm¾ f,dayh iEoSug keUqre jSu bf,lafg%davh u;  mSvkh wvqfjhs  bf,lafg%dav jsNjh jevs fjhs