Reaction kinetics: Elementary and complex reactions, molecurity of elementary reactions. Rate equations; Order of reaction; Rate constant, half life. Methods of determining rates and orders of chemical reactions. Reaction mechanisms. Dependence of rate on temperature. Qualitative treatment of Boltzmann factor and chain reactions. Parallel, consecutive and reversible reactions. The approach to the steady-state and induction period (examples from organic and inorganic chemistry to determine the rates of chain reactions). Branched chain reactions and explosions. Catalysis: Heterogeneous catalysis, Enzyme catalysis (Michaelis constant). Mechanism(s) for enzyme catalyzed reaction(s). Theories of reaction rates. Appropriate practicals on rates of reactions (orders of reactions), dependence of reaction rates on temperature and catalysis