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The rate constant for a first order reac...

The rate constant for a first order reaction is 60 `s^(-1)`. How much time will it take to reduce the initial concentration of the reactant to its 1/16th value ?

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`t=(2.303)/(k)"log"(a)/(a//16)=(2.303)/(60s^(-1))log 16=4.62xx10^(-2)s`.
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