1.

The half life of a first order reaction is 69.35 sec . The value of the rate constant of the reaction is

Answer»

`1. 0 s^(-1)`
`0.1 s^(-1)`
`0.01 s^(-1)`
`0.001 s^(-1)`

SOLUTION :`K = (0.693)/(t_(1//2)) = (0.693)/(69.35) = 9.99 xx 10^(-3) = 0.01 s^(-1)` .


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