PHYSICAL CHEMISTRY III: ELECTROCHEMISTRY & CHEMICAL KINETICS

Paper Code: 
C-CHY 412
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

Course Objective(s):
This course will enable the students to-

  •     understand the fundamentals related to the electrochemical process and their applications.
  •      gain an in-depth knowledge of theories of chemical kinetics and mechanism of catalyzed reactions.

 

Course Outcomes (COs):

Course Outcomes

Teaching Learning

Strategies

Assessment

Strategies

On completion of this course, the students will be able to-

CO56: describe various theories and effects related to electrolytic dissociation and applications of conductance measurement.

CO57: calculate cell EMF and other thermodynamic quantities of cell reactions.

CO58: describe the characteristics of various types of cells and can illustrate various applications of concentration cell.

CO59:explain experimental methods and theories of chemical kinetics.
  • Interactive
  • lectures
  • Discussions
  • Tutorials
  • Problem-solving
  • sessions
  • Oral and written examinations
  • Assignments
  • Quiz

 

10.00
Unit I: 
Conductance I

Arrhenius theory of electrolytic dissociation, conductivity, equivalent and molar conductivity and their variation with dilution for weak and strong electrolytes, molar conductivity at infinite dilution, Kohlrausch law of independent migration of ions, Debye-Hückel-Onsager equation, Wien effect, Debye-Falkenhagen effect, Walden’s rule.

10.00
Unit II: 
Conductance II

Ionic velocities, mobilities and their determinations, transference numbers and their relation to ionic mobilities, determination of transference numbers using Hittorf and moving boundary methods, applications of conductance measurement: degree of dissociation of week electrolytes, ionic product of water, solubility and solubility product of sparingly soluble salts, conductometric titrations, and hydrolysis constants of salts.

12.00
Unit III: 
Electrochemistry I

Quantitative aspects of Faraday’s laws of electrolysis, rules of oxidation/reduction of ions based on half-cell potentials, applications of electrolysis in metallurgy and industry.
Chemical cells, reversible and irreversible cells with examples, electromotive force of a cell and its measurement, Nernst equation, standard electrode (reduction) potential and its application to different kinds of half-cell, application of EMF measurements in determining free energy, enthalpy and entropy of a cell reaction, equilibrium constants, and pH values, using hydrogen, quinone-hydroquinone, glass and SbO/Sb2O3 electrodes.

10.00
Unit IV: 
Electrochemistry II

Concentration cells with and without transference, liquid junction potential, determination of activity coefficients and transference numbers, qualitative discussion of potentiometric titrations (acid-base, redox, precipitation).

18.00
Unit V: 
Chemical Kinetics

Order and molecularity of a reaction, rate laws in terms of the advancement of a reaction, differential and integrated form of rate expressions up to second order reactions, experimental methods of the determination of rate laws, kinetics of complex reactions (integrated rate expressions up to first order only): opposing reactions, parallel reactions and consecutive reactions and their differential rate equations (steady-state approximation in reaction mechanisms), chain reactions, temperature dependence of reaction rates, Arrhenius equation, activation energy, collision theory of reaction rates, Lindemann mechanism, qualitative treatment of the theory of absolute reaction rates.

Essential Readings: 
  • Principles of Physical Chemistry, Forty Eighth Edition; B. R. Puri, L. R. Sharma, M. S. Pathania; Vishal Publishing Co., Jalandhar, 2020.
References: 

SUGGESTED READINGS:

  • Atkin’s Physical Chemistry, Eighth Edition; P.W. Atkins, J. Paula; Oxford University Press, International Student Edition, 2017.
  • Physical Chemistry, Fourth Edition; R. J. Silbey, R.A. Alberty; M. G. Bawendi; Wiley Eastern Ltd., Singapore, 2004.
  • Physical Chemistry Through Problems, Second Edition; S.K. Dogra and S. Dogra; New Age International Pvt. Ltd, New Delhi, 2015.
  • A Textbook of Physical Chemistry, States of Matter and Ions in Solution, Volume I, Sixth Edition; K. L. Kapoor; McGraw Hill Education (India) Private Limited, 2019.
  • A Textbook of Physical Chemistry, Dynamics of Chemical Reactions, Statistical Thermodynamics, Macromolecules and Irreversible Processes, Volume V, Fourth Edition; K. L. Kapoor; McGraw Hill Education Private Limited, 2020.

e-Resources:

 

Academic Year: 
2023-2024
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