1.

For I^(st) order decomposition of SO_2Cl_2(g), SO_2Cl_2(g)toSO_2(g)+Cl_2(g) a graph of log (a-x) v//s t is shown in figure answer the following using above information. What is the rate constant (in sec^(-1)) ?

Answer»

0.2
`4.6xx10^(-1)`
`7.7xx10^(-3)`
`1.15xx10^(-2)`

Solution :`{:(,SO_2Cl_2(G)to,SO_2(g)+,Cl_(2)(g)),(at " "t=0,a,0,0),(at " " t=t ,(a-x), x, x):}`
`K=2.303/t "LOG" (a/(a-x))`
`log (a-x)=[-K/2.303]t+log a`
SLOPE=`-K/2.303=-2/10`
`K=2/10xx2.303/60sec^(-1)`
`=7.7xx10^(-3) sec^(-1)`


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