What is Half life of a reaction ?

Explanation

Half life of a reaction : The time in which the concentration of a reactant is reduced to one half of its initial concentration is called half life period. It is represented by `t_(1//2).`
`t_(1//2)of n^(th)` order reaction is given bgy `t_(1//2) prop [R_(0)]^(1-n)` Where `R_(0)` is initial concentration
`t_(1//2) =([R_(0)])/(2k)` for a zero order reaction: `" "t_(1//2)=(0.693)/(k)` for order reaction