#### Paper-I Specialization (Physical Chemistry) 7th Semester

**Statistical Thermodynamics **

**Description
of various system. Concepts of states, accessible states and distribution.
Probability concepts. Maxwell-Boltzmann statistics for the system of independent
particles. Partition functions. The relationship of partition function to the
various thermodynamics functions. Transitional, vibrational and rotational partition
functions and equilibrium constant. Statistical thermodynamics. Applications to equilibrium
and chemical kinetics. Bose-Einstein and Fermi-Dirac Statistics.**

**Electrochemistry**

** Electrical Double layer: Interface. A look into the interface: OHP and IHP. Contact adsorption Gibbs surface excess. Potential difference across metal solution interfaces. Outer and surface potential differences. Galvani potential difference. Electrochemical potential difference. Interfacial tension. Electro capillary thermodynamics. Lippmann equation. Helmholtz-perrin model. Gouy-Chapmann model. Stern model, BDM (Bockris Devanathan-Muller) Model. Charge density. Differential capacitance. Shape of capacitance- charge curve. The capacitance hump.**

**Electrode Kinetics**

**Electrochemical devices. Charge transfer processes in the absence and presence of electrical field. The over potential. Butler-Volmer equation. the idea of equilibrium exchange current density. The symmetry factor. High field and low field approximation. Tafel eqaution. Cyclic Voltammetry and its applications. Fuel cell, corrosion and its preservation. Electrochemical impedance **

**Dr. Najeeb Ur Rahman **

**Assistant Professor **

**Department of Chemistry**