Half-life of a reaction is found to be inversely proportional to the cube of its initial concentration. The order of reaction is

Half-life of a reaction is found to be inversely proportional to the cube of initial concentration. The order of reaction is 4. t1/2=1[a0]3Also, t1/2∝[a0]1−n[a0]1−4=[a0]1−n⇒  −3=1−n⇒  n=4