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@