Course List

11. CHEM242 Physical Chemistry I

Credits: 3-1-0-3

Prerequisites: PHYS102 Thermal Physics

Unit I (Solutions) Gibbs - Duhem equation - thermodynamics of mixing - Henry’s & Raoult’s laws - liquid mixtures - colligative properties - mixture of volatile liquids - distillation - azeotropes - solvent & solute activity, 

UNIT – II (Phase transformations) Stability of phases - Clapeyron equation - Clasius-Clapeyron equation. Thermodymamics of phase transition; classification of phases - bubbles, cavities and droplets-Kelvin equation, capillary action. 

UNIT – III (Phase diagrams) One component systems - two component systems - reactive systems - three component systems - Chemical equilibrium - equilibrium response to pressure - van’t Hoff relation - Ellingham diagram. 

UNIT – IV (Equilibrium electrochemistry-Ions in solution- 1) Activities in solutions - mean activity coefficient - Debye - HÜckel theory - role of electrodes - electrochemical potential - types of electrodes - kinds of cell - emf and electrode potentials - standard electrode potentials - thermodynamics of emf of cells – potentiometric titrations - pK & pH - acid base titrations – buffers. 

UNIT – V (Equilibrium electrochemistry-Ions in solution- 2) Ion transport and molecular diffusion: Ion motion - conductivity - mobilities - transport numbers and measurement - Debye Huckel Onsager theory - diffusion - Fick’s laws - diffusion and convection. 

Text Book: 

Physical Chemistry, P. W. Atkins, 7 th edition, Oxford Publications, 2006 

Further Reading: 

1. Physical Chemistry , Alberty, 5 th edition, Wiley Publications, 2005 

2. Physical Chemistry, by Thomas Engel and Reid, 1 edition, Pearson Education India, 2006