Calculate the half life of a first order reaction from their rate constants given below `:`
a.) `200s^(-1)` b.) `2 mi n^(-1)` c.) `4years^(-1)`

Explanation

Half life period `(t_(1//2)) = 0.693/k = 0.693/(200 s^(-1)) = 3.465 xx 10^(-3)s`.