Course Details
Subject {L-T-P / C} : CY3302 : Chemical Kinetics and Photochemistry { 3-0-0 / 3}
Subject Nature : Theory
Coordinator : Prof. Usharani Subuddhi
Syllabus
Module 1: Introduction, Temperature dependence, Kinetics of composite reactions: Opposing, parallel and consecutive reactions, concept of steady state and pre-equilibrium approximations, gas phase chain reaction 10 hrs
Module 2: Theories of predicting rate constants of chemical reaction, limitation of collision theory, transition state theory or TST (Van’t Hoff equation, Eyring equation), Limitation of TST, Lindemann theory of Unimolecular Reactions. 6hrs
Module 3: Catalysis: Kinetics of general catalytic reaction, homogeneous catalysis (acid/base catalyzed reaction), enzyme catalysis, Michaelis-Menten equation, inhibitors, heterogeneous catalysis (gas/solid systems). 10hrs
Module 4: Photochemistry: Kinetics in the excited electronic states: Jablonskii diagram, kinetics of unimolecular photophysical processes, bimolecular photophysical processes: excimers, exciplexes and sensitisation. Physical properties of electronically excited molecules (acidity, redox potential, dipole moments). Mechanism of fluorescence quenching - Stern - Volmer equation 10hrs
Course Objectives
- The aim of the course is to enable students to acquire understanding on the details of chemical kinetics, catalysis and photochemistry.
Course Outcomes
On completion of the course, the students shall be able to <br />CO 1: learn about the fundamental concepts of obtaining rate laws for different order reactions Learn the approximated methods to deal with complicated reactions and understand the factors that can affect the rate of a reaction <br />CO 2: understand how collision theory and transition state theory are applied to explain chemical reactions, gain knowledge on unimolecular reaction and the theory behind it <br />CO 3 : understand the general catalytic reactions, get insight into the kinetics of homogeneous, heterogeneous and enzymatic reactions <br />CO 4: understand the basics of light-matter interaction and the photophysical processes, electronic spectroscopy in absorption as well as in emission mode and physical properties of electronically excited molecules
Essential Reading
- K. J. Laidler, Chemical Kinetics, Harper and Row
- K. K. Rohatgi-Mukherjee, Fundamentals of Photochemistry, Wiley, New York
Supplementary Reading
- K. L. Kapoor, Text Book of Physical Chemistry, Macmillan
- Peter Atkins, Julio de Paula, and James Keeler, Atkins' Physical Chemistry, Oxford University Press