# NEET Chemistry Chemical Kinetics Questions Solved

(a) For a reaction A+B $\to$P, the rate law is given by, r = k$\left[A{\right]}^{1}{2}}{\left[B\right]}^{2}$.

What is the order of this reaction?

(b) A first order reaction is found to have a rate constant k = 5.5$×$10-14 s-1. Find the half life of the reaction.