A substance decomposes following first order kinetics. If the half-life of the reaction is 35 minutes, what is the rate constant of reaction ?

Answer

0.0198 `min""^(-1)`

Explanation

For a first order reaction, `k = (0.693 )/( t_(1//2)) = ( 0.693 )/(35 )= 0.0198 min""^(-1)`