This book explain the basic concepts in Chemical kinetics like the Rate of the reaction, Rate Law, Law of Mass action, The equilibrium state, Order and molecularity of the reaction, Rate constant, Temperature dependence, Pressure dependence, Rate equation, , Zero order reactions, First order reactions, Second order reactions, Pseudo first order reactions, Nth order reactions, Arrhenius equation, factors affecting the rate of the reactions and also explain the Unimolecular and Bimolecular theories in chemical kinetics.. This book also contains the solving chemical Kinetics problem.