Course Objectives :
The course aims to make the student aware about the behaviour of ions in solution and structure of electrode surface. Students are able to learn about the rate laws from a proposed mechanism and to analyze kinetics in gases and solutions.
Course Outcomes (COs):
COURSE 
Learning outcomes (at course level) 
Learning and teaching strategies 
Assessment Strategies 


Paper Code 
Paper Title 

CHY 323 
Electrochemistry and Chemical Kinetics 
The students will be able to
CO102explain different theories to understand the behavior of strong electrolytes. CO103interpret the structure and nature of electrical double layer and describe electro kinetic phenomena. CO104explain kinetics of electrode reactions with the help of ButlerVolmer equation and Tafel equation. CO105describe dynamics of unimolecular reactions and discuss salt effect. CO106determine rate law for a complex reaction using steady state approximation. 
Class lectures
Demonstrations
Group discussions 
Written test
Presentation
Google quiz
Assignment
Semester end examination

Debye Huckel theory of strong electrolytes, Debye HuckelOnsager equation, activity coefficient, mean ionic activity coefficient, physical significance of activity coefficients, mean activity coefficient of an electrolyte and its determination,ionic strength, Debye Huckel theory of mean ionic activity coefficient, DebyeHuckel limiting law, qualitative and quantitative verification of DebyeHuckel limiting law, Debye length, ionic strength,Bjerrum model of ionassociation.
Introduction, evidences and structure of electrical double layer HelmholtzPerrin, GuoyChapman, Stern theory, measurement of zeta potential (electrokinetic phenomena), influence of ions on electrokinetic phenomena, electro capillary phenomenon: Electro capillary curves, Lipmann’s equation.
Graham DevanathanMottwatts, Tobin Bockris, Devanathan models. Quantum aspects of charge transfer at electrodessolution interfaces, tunneling.
Electrodics of elementary electrode reactions:Determination of anode and cathode potential, decomposition voltage of electrolyte, diffusion over potential, hydrogen and oxygen over voltage, influence of various factors on over voltage, theoretical investigation of kinetics of an electrode reaction: standard rate constant (k^{0}) and transfer coefficient (α), exchange current. ButlerVolmer equation, Tafel equation.
Electrocatalysis: introduction and influence of various parameters.
Semiconductor solution interfaces, effect of light at semiconductor solution interface.
Collision theory of reaction rates, steric factor, activated complex theory, comparison between collision theory and activatedcomplex theory. Unimolecular gas reactions: Dynamics of unimolecular reactions (Lindemann, Hinshelwood, RRK and RRKM theories), primary and secondary salt effects: influence of ionic strength and dielectric constant on reactions involving (i) ions (ii) dipoles (iii) ion and dipole.
Equilibrium and steady state approximation and their application in reaction mechanisms,Rate expression for opposing, parallel and consecutive reactions, kinetic and thermodynamic control of the reactions, chain reactions: thermal and photochemical reactions, dynamic chain (mechanism of hydrogenbromine and hydrogenchlorine reactions), decomposition of ethane, pyrolysis of acetaldehyde, oscillatory reactions: BelousovZhabotinsky reaction.