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Solutions and Reaction Kinetics
Course Objectives:
This course will enable the students to –
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understand the concept of ideal, non-ideal and partially miscible liquids.
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understand the concept of colligative properties of dilute solutions.
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provide an in-depth knowledge of experimental methods and theories of chemical kinetics.
Course Outcomes (COs):
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Course |
Learning outcomes (at course level) |
Learning and teaching strategies |
Assessment Strategies |
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Paper Code |
Paper Title |
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CHY 403 |
Solutions and Reaction Kinetics (Theory)
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The students will be able to –
CO67: compile the properties of solutions of solids and gases in liquids, miscible liquids, partially miscible liquids, and immiscible liquids CO68: appraise the concept of colligative properties and apply for molecular weight determination. CO69: appraise the rules of kinetics to evaluate the order of reaction and rate constant. CO70: compare and conclude theories of chemical kinetics and evaluate the kinetics of a reaction using experimental methods. CO71: interpret adsorption isotherms and its applications.
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Interactive Lectures
Discussions
Tutorials
Problem solving |
Presentations by Individual
Student/ Group of three students
Class Tests at periodic intervals
Written assignment(s)
Semester End Examination |
Solutions: Ideal and non-ideal solutions, distillation of solutions, lever rule, methods of expressing concentrations of solutions, activity and activity coefficient.
Solution of gases in liquid: Henry’s law, deviation from Henry’s law.
Solutions of solid in liquid- Nernst distribution law and its applications.
Non ideal system: Azeotropes, ethanol-water systems.
Partially miscible liquids: Phenol-water, trimethylamine-water, nicotine-water systems,
lower and upper consolute temperature, effect of impurity on consolute temperature, immiscible liquids, principle of steam distillation.
Self Study: Applications and limitations of Henry’s law.
Introduction, colligative properties, Raoult’s law, relative lowering of vapour pressure and its measurement,osmotic pressure and its measurement by Barkeley –Hartley’s method, elevation of boiling point and its measurement by Landsberger’s method, depression of freezing point and its measurement by Rast method, thermodynamic derivation using chemical potential to derive relation between the four colligative properties, use of colligative properties in molecular weight determination, non-ideal behaviour and van’t Hoff’s factor ‘i’.
Self Study: Reverse osmosis.
Chemical kinetics and its scope, rate of a reaction, factors influencing rate of a reaction, mathematical characteristics of simple chemical reactions- zero order, first order, second order, pseudo order, half life and mean life; determination of the order of reaction– differential, integration, half life period, radioactive decay as a first order phenomenon.
Self Study: Order, molecularity, rate law and rate constant.
Experimental methods of chemical kinetics– conductometry, polarimetry and spectrophotometry.
Arrhenius equation and activation energy.
Theories of chemical kinetics – collision theory and transition state theory.
Types of catalyst, specificity and selectivity, enzyme catalysis, Michalis-Menten mechanism.
Adsorption at surfaces, physical and chemical adsorption, Freundlich, Langmuir and Gibbs adsorption isotherms, factors effecting adsorption, applications of adsorption.
- A Textbook of Physical Chemistry; A.S. Negi, S.C. Anand; New Age International (P) Limited, New Delhi, 2007.
- Elements of Physical Chemistry; Seventh International Edition. P.W. Atkins, J. Paula; Oxford, India 2017.
- Elements of Physical Chemistry; Seventh Edition. P.W. Atkins, J. Paula; Oxford University Press, New York, 2016.
- Physical Chemistry; Fourth Edition; R.A. Alberty; Wiley Eastern Ltd., Singapore, 2004.
- Physical Chemistry Through Problems; Second Edition; S.K. Dogra and S.Dogra;New Age International Pvt. Ltd, New Delhi, 2001.
