The general expression for half-life period of an nth order reaction `(for n != 1)` is

Half life period of 2 nd order reaction is

Half life period of 2 nd order reaction is

Half-life period of a zero order reaction is

Half-life period of a zero order reaction is

The general expression for half life period of an nth order reaction t_(1//2)=(2^(n-1)-1)/(k(n-1)a^(n-1)) is

Half-life period of any first order reaction is