For a rate law of the form; Rate $=k\mid \mathrm{A}{]}^m\left[{\left.\mathrm{B}\right|}^n\right.$, the exponents m and n are obtained from ·

Given rate is,

Rate $=k\mid \mathrm{A}{]}^m\left[{\left.\mathrm{B}\right|}^n\right.$

In the rate law, exponents shows the effects of the reactant concentrations on the reaction rate.

Exponents also shows the reaction order.

Here, the exponents are A and B. They can be obtained with the changes in the reaction rates for different concentrations of A and B.