Monday, June 27, 2011

Chemistry Kinetics -1

pd,l ridhkh

1   BaCl2     
o%djKhlg i,afmag nsxoq lsysmhla
tl;= l< jsg laIkslj fjkiajSula we;s fjhs tu fjki  l=ula o@


2    C2O4 o%djKhlg ;kql H2SO4 j,ska wdus,sl fldg KMnO4 fhoQ jsg fjkia jSula we;sjsug .;jk ld,h jevs fjhs we;s jk tu fjki l=ula o@

3 tjeks ld, fjkiajSula i|yd fya;= ,shkak

.%Eus 5 l hlv weKhlg jvd fjs.fhka hlv l=vq .%Eus 5 la iu. ;kql 0'2 M H2SO4 wus,h
5 ml iu. nqnq,q we;s lrhs
4    m%;sls%hdfjs fjs.h fjkiajSu flfrys we;s jQ n,mEu l=ula o@ thg fya;= ,shkak'


 KMnO4 5 ml ^;kql H2SO4 j,ska wdus,sl l<& wvx.= k, follg fjk fjku f.k thg hlv l=vq .%Eus 2 la fjk fjku tl;= lsrSu tla k,hla r;a lr wfkla k,h ldur WIaK;ajfha ;enSu

6 ljr jsm¾hdihla n,dfmdfrd;a;= jkafka o@ thg fya;= ,shkak'
s
oqUqre meyeh we;s jQfha wehs @


7 m%;sls%hdfjs fjs.h fjkiajSu flfrys we;s jQ n,mEu l=ula o@


8 0'002 M Na2S2O3 o%djKhl 5 ml lg 0'2 M ;kql wus,h 2 ml fhoQ jsg we;sjk ksrSlaIK ,shkak
bka miq 0'001 M Na2S2O3 o%djKhl 5 ml lg 0'2 M ;kql wus,h 2 ml fhoQ jsg we;sjk ksrSlaIK ,shkak
'
'

9 m%;sls%hdfjs fjs.h fjkiajSu flfrys we;s jQ n,mEu l=ula o@


10  iskala f,dayh .%Eus 5 la iu. ;kql 0'2 M HCl wus,h 5 ml lg ^CusO4 nsxoq lsysmhla fhoQ &iu.o iskala f,dayh .%Eus 5 la iu. ;kql 0'2 M HCl wus,h 5 ml iu. o tl jsg m%;sls%hd lrjQ jsg jvd;a blaukska f,dayh oshjkafka m<uq k,fhah' thg fya;=j l=ula o@
d


11   H 2 yd Cl2 w;r m%;sl%shdj ldur WIaK;ajfhaoSg jvd fjs.fhka wdf,dalfhaoS m%;sls%hd fjhs
iEfok M,h l=ula o@

12 ta i|yd mrslaIK ie,iqus lsrsfusoS wjYH ridhksl o%jH ,shkak


13  jdhq tla reia lrkafka ljr l%uhg o@


14 c,h ;=,oS jdhq usY% l< miq M,h iEfok nj Tn y|qkd.kafka flfia o@
a
s
15 m%;sls%hdj jevs fjs.hlska isoqjk nj fidhd .kafka flfia o@
s

16 ridhksl m%;sls%hdjl iS>%;dj flfrys n,mdk idOl fudkjd o@



17 >k le,aishus ldnfkags .Eus 10 la iu. 2 M HCl 50 ml tl;= lf<a hehs is;kak msgjk jdhqj nshqfrgsgqjlg tl;= lf<a hehs is;kak';;amr 30 lg jrla tl;=jQ jdhq mrsudj uek .;af;a kus ljr wdldrfha m%ia;drhla ,efnkq we;a o@


19 isoqjk m%;sls%hdj i|yd iuslrKhla ,shkak


20 m%;sls%hdfjs iS>%;dj fidhkafka flfia o@


21 m%;sls%hdfjs iS>%;djh flfia fjkiafjs hehs Tn n,dfmdfrd;a;= jkafka o@



22 ta i|yd fya;= bosrsm;a lrkak


23 m%;sls%hdfjs iS>%;djh fijsug tu moaO;sh fhdod .kafka kus jvd;a iqoqiq jkafka ljr wjia:djo@

24 m%;sls%hdfjs iS>%;djh fijsug jvd;a iqoqiq moaO;shla ilia lsrsfus oS by; fodaIh u. yrjd .; yels fjk;a l%uhla ,shkak


25 m%;sls%hdfjs iS>%;djh iEujsgu idkao%Khg wkqf,dauj iudkqmd;sl fjs fuu m%ldYh ksjeros lrkak


aA + bB ------ cC + dD
26 tu m%ldYh iuSlrKhlska fokak ^ oS we;s iuSlrKh i|yd &


27 m%;sls%hd fm< f,i y|qkajkafka l=ula o@





Mg + HCl ------MgCl2 +H2
fuu m%;sls%hdfjs fm< fijSug wjYHj we;ehs is;kak

R ۓ [HCl]m
28   m w.h fijSug mrslaIK ie,iqus lrk wjYH o%jH fudkjdo@


29 m w.h fijSug mrslaIK ie,iqus lrk jsg l=ul idkao%Kh fjkia l< hq;= o@


30 fuu mrSlaIKfhaoS ksh;j mj;ajd .; hq;= wfk;=;a idOl ,shkak




k, wxlh                   1          2          3           4           5

HCl wus,fha mrsudj       10 ml       8 ml         6ml           4  ml           2 ml

tl;= jk jdhq mrsudj

32 msgjk H2 mrsudj tl;= wruqK l=ula o@ tf,i ueksug wjYH fjk;a idOlhla ,shkak


33 m%;sls%hd iS>%;dj fidhlafka flfia o@



34 wus, idkao%Kh fjkia lrkafka flfiao



35 k, wxl 5 idfmalaIj k, wxl 4 idkao%Kh lS .=Khla fjhs o@


36 k, wxl 5 idfmalaIj k, wxl 3 idkao%Kh lS .=Khla fjhs o@


 k, wxlh                     1           2           3            4                5

HCl wus,fha mrsudj       10 ml          8 ml            6ml             4 ml                   2 ml

H2 mrsudj 10 ml tl;=jsu
i|yd .;jQ ld,h


36 m%;sls%hd iS>%;dj yd H2 mrsudj 10 ml tl;=jsu i|yd .;jQ ld,h w;r iusnkaO;dj l=ula o@



37 wus, idkao%Kh;a wus, mrsudj;a w;r iusnkaO;djh l=ula o@



38 ta wkqj fuu iuslrKh ilikak

R ۓ [HCl]m


39     m=1 fjhs o hkak y|qkd .kafka flfia o@ප%ස්තාරික  ක%මයක් මගින්

40     m=2 fjhs o hkak y|qkd .kafka flfia o@



41 m=3 fjhs o hkak y|qkd .kafka flfia o@


42 fus m w.h fidhd .eksug ,>q w.h Ndjs; l< yelafla flfia o@












Wednesday, June 8, 2011

Aldehyde and Ketone

කාබනයිල් සංයෝග










C6H5 COC2H5 / CH3 CHO / C6H5COC6H5 / CH3 COCH3 / HCHO / C6H5 CHO

1 iEu ixfhda.hlgu fmdoq ldKavh l+ula o@ th y|qkajk kduh ,shkak'

2 tys mj;sk ldnka mrudKqj ljr j¾.fha m%;sls%hd fmkajhs o@

                           1 C6H5 COC2H5

                                2 C2H5 CHO
                                3 CH3 CO C2H5
                                4 HCHO

3  KMnO4 iu. TlaislrK m%;sls%hd olajkafka ljr ixfhda. o@

4 iEfok M,j, jHqy ,shkak



5 fuu ixfhda. w;rska fma,sx o%djKh iu. m%;sls%hd lrkafka ljr ixfhda. o@

6 iefok M,fha j¾Kh ,shkak


7 M,hla f,i wus, ,efnkafka ljr ixfhda. j,ska o@


8 ;kQl NaOH iu. wxl 4 flfia m%;sls%hd lrhs o@ idok M,hka ,shkak


9 idkao% NaOH iu. wxl 2 m%;sls%hd lr idok M,h l=ula o@






10 fn%vs m%;sldrlh iu. fuu ixfhda. ,nd fok ksrSlaIKh ,shkak




11 CH3Mg Br iu. idok M,hka ,shkak

12 fgd,ka m%;sldrlh mss<sfh, lrkafka flfia o@


13 fgd,ka m%;sldrlh fhdod .ksuska y|qkd .; yelafla ljr ixfhda. o@ ,efnk ksrslaIKh ,shkak


1 ldnkhs,a ixfhda. j,g ljr ixfhda. wh;a fjhs o@

2 ldnkhs,a ixfhda. j, ls%hdldrs;ajhg fya;= jkafka ldnkhs,a ldnka mrudKqfjs we;sjk O%ejsh;djhs
ljr ldKav fuu ldnka mrudKqj fj; wdl¾IKh fjhs o@

3 tjeks kshqla,sfhda ms,sl idok m%;sldrl y|qkajkak
HCN
CH3MgBr
CH3 NH2

4 TlaislrK yelshdj jvd;a we;af;a l=uk ixfhda. j,g o@
5 th ;yjqre l< yels mrslaIKhla ,shkak


6 t;ke,a yd fnkaie,avsyhsvs  w;frka jevs TlaislrK yelshdj jvd;a we;af;a l=uk ixfhda.hg o@
7 ldnkhs,a ixfhda. wfkl=;a ixfhda. j,ska fjkalr y|qkd .ekSug fhdod.; yels mrslaIKhla ,shkak

8 ldnkhs,a ixfhda. j, ls%hdldrs;ajhg fya;= jkafka ldnkhs,a ldnka mrudKqfjs we;sjk O%ejsh;djhhs  thg iusnkaO  CH3 ldkavhg we;slrk n,mEu l=ula  o@

9 ljr ;;aj hgf;a fuh isoqfjhs o@

10  we,a*d yhsv%cka bj;a jSfuka iEfok wekdhkh ljr kulska y|qkajhs o@

11 kshqla,sfhdams,slhla f,i wdl,kh iEfok M,h myiqfjka jsc,khg Ndckh jkafka ljr ;;aj hgf;a o@


12 tysos isoqjk m%;sls%hdfjs m<uq mshjr ;=, isoqjkafka l=ula o@

13 tysos isoqjk m%;sls%hdfjs fojk mshjr ;=, isoqjssh yelafla l=ula o@



14 we,avsyhsv yd lsfgdak TlaisyrKhg Ndjs; lrkafka fudkjd o@ iEfok M, ,shkak