Show that the half-life of a second order reaction is inversely proportional to its initial concentration.

Last updated on August 29th, 2020 at 01:19 am

For the simple second order reaction 2A→product, we know the rate constant is given by,


For half life,  and 

Hence,


as k is a constant,

Thus, the half life of a second order reaction is inversely proportional to its initial concentration.