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Electrochemistry
Teacher
Dr. Pratap Chhotaray
Category
Core Courses
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Course Name : Electrochemistry
Code(Credit) : CUTM 1478(3-2-1)
Course Objectives
- To Know the basic of ions, electrolyte, movement of ions, electrochemistry
- To know how the ionic movements are related to different other fields such as thermodynamics.
- Also, this course will help students to garner basic knowledge on novel energy storage devices
Course Outcomes
| COs | Course outcomes | Mapping COs with POs (High-3, Medium-2, Low-1) |
| CO1 | Able to gain knowledge on ionic, and electrical properties of the sample | PO 1 (1), PO4(2), PO 10 (1) |
| CO2 | Able to gain skill in the handling of conductometer and to interpret the results regarding sample/solution electrical properties | PO2 (2), PO3 (2), PO 12 (1) |
| CO3 | Will be able to apply the acquired knowledge to contribute to various electrochemical experiments for societal benefits | PO 3 (2), PO 5 (2), PO 12(1) |
Course Syllabus
Module 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.
Practice 1: Electrolyte solution
Practice 2: Electrolytic conductance
Assignment 1: Molar conductivity and their variation with dilution for weak and strong electrolytes.
Assignment 2: Ostwald's dilution law.
Module II
Conductance II:
Walden’s rules, Debye-Huckel-Onsager equation. Ionic mobility and their determinations, transference numbers and their relation to ionic mobilities, determination of transference numbers using Hittorf and Moving Boundary methods.
Assignment 3: Walden’s rules, Debye-Huckel-Onsager equation
Assignment 4: Ionic mobility and their determinations, transference numbers and their relation to ionic mobilities.
Module III
Conductance III:
Applications of conductance measurement: (i) degree of dissociation of weak electrolytes, (ii) ionic product of water (iii) solubility and solubility product of sparingly soluble salts, (iv) conductometric titrations, and (v) hydrolysis constants of salts.
Practice 3: Conductometric titrations
Assignment 5: Applications of conductance measurement for determining hydrolysis constants of salts.
Module IV
Electrochemistry I:
Quantitative aspects of Faraday’s laws of electrolysis, applications of electrolysis in metallurgy and industry. Electrochemical series, rules of oxidation/reduction of ions based on half-cell potentials. Nernst equation; Standard electrode (reduction) potential and its application to different kinds of half-cells. Electromotive force of a cell and its measurement. Chemical cells, reversible and irreversible cells with examples.
Practice 4: Application of electrolysis in Electroplating
Practice 5: Electrochemical series application
Practice 6: Electrochemical cell
Practice 7: Nernst equation
Practice 8: Cell potential determination
Assignment 6: Quantitative aspects of Faraday’s laws of electrolysis
Assignment 7: Applications of electrolysis in metallurgy and industry.
Module V
Electrochemistry II:
Application of EMF measurements in determining (i) free energy, enthalpy and entropy of a cell reaction, (ii) equilibrium constants, and (iii) pH values, using hydrogen, quinone-hydroquinone, and glass electrodes. 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).
Assignment 8: Concentration cells without transference.
Module VI
Electrical & Magnetic Properties of Atoms and Molecules:
Basic ideas of electrostatics, dielectric constant, Dipole moment and molecular polarizabilities and their measurements. Basics of diamagnetism, paramagnetism. Magnetic susceptibility and its measurement.
Practice 9: Static electricity
Assignment 9: Basic ideas of electrostatics, dielectric constant.
Module VII
Energy Storage and Conversion:
Fundamentals on Li ion batteries, basic principle and types of fuel cells, theory of solar cells and types of solar cells, basic principles on super capacitors and types of super capacitors.
Practice 10: Solar Panel Experiment
Practice 11: Photoelectric effect
Practice 12: Super capacitor preparation
Assignment 10: Needs for energy storage and storage alternatives.
Recommended Text Books:
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Atkins, P.W & Paula, J.D. Physical Chemistry, 10th Ed., Oxford University Press (2014).
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Castellan, G. W. Physical Chemistry 4th Ed., Narosa (2004).
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Mortimer, R. G. Physical Chemistry 3rd Ed., Elsevier: NOIDA, UP (2009).
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Barrow, G. M., Physical Chemistry 5th Ed., Tata McGraw Hill: New Delhi (2006).
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Engel, T. & Reid, P. Physical Chemistry 3rd Ed., Prentice-Hall (2012).
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Rogers, D. W. Concise Physical Chemistry Wiley (2010).
Session Plan
Session 1
Arrhenius theory of electrolytic dissociation. Conductivity.
Session 2
Practice 1 (2 Hrs.): Electrolyte solution.
https://antoine.frostburg.edu/chem/senese/101/kits/conductivitysimulation3.html
Session 3
Specific conductance, molar conductance, and equivalent conductance.
Session 4
Equivalent conductivity and their variation with dilution for weak and strong electrolytes.
Session 5
Practice 2 (2 Hrs.): Electrolytic conductance.
Session 6 (Assignment 1 (2 Hrs.): Flip class)
Molar conductivity and their variation with dilution for weak and strong electrolytes.
Session 8
Kohlrausch law of independent migration of ions.
Session 9 (Assignment 2 (1 Hr): Flip class)
Ostwald's dilution law.
Session 10 (Assignment 3 (1 Hr): Flip class)
Walden’s rules, Debye-Huckel-Onsager equation.
Session 11 (Assignment 4 (2 Hrs.): Flip class)
Ionic mobility and their determinations, transference numbers and their relation to ionic mobilities.
Session 12
determination of transference numbers using Hittorf method.
Session 13
determination of transference numbers using Moving Boundary method.
Session 14
Applications of conductance measurement: (i) degree of dissociation of weak electrolytes.
Session 15
(ii) ionic product of water (iii) solubility and solubility product of sparingly soluble salts.
Session 17
Practice 3 (2 Hrs.): Conductometric titration.
Session 18 (Assignment 5 (1 Hr): Flip class)
Application of conductance measurement in (V) hydrolysis constants of salts.
https://www.scribd.com/document/433083268/Hydrolysis-Constant-by-Conducatnce
Session 19 (Assignment 6 (1 Hr): Flip class)
Quantitative aspects of Faraday’s laws of electrolysis.
Session 20 (Assignment 7 (1 Hr): Flip class)
Applications of electrolysis in metallurgy and industry.
Session 21
Practice 4 (2 Hrs.): Application of electrolysis in Electroplating.
Session 22
Electrochemical series, rules of oxidation/reduction of ions based on half-cell potentials.
Session 23
Practice 5 (2 Hrs.): Electrochemical series application.
Session 27
Standard electrode (reduction) potential and its application to different kinds of half-cells.
Session 28
Electromotive force of a cell and its measurement.
Session 29
Practice 8 (2 Hrs.): Cell potential determination.
Session 30
Chemical cells; Reversible and irreversible cells with examples.
Session 31
Application of EMF measurements in determining (i) free energy, enthalpy and entropy of a cell reaction.
Session 32
Application of EMF in determining (ii) equilibrium constants.
Session 33
Application of EMF in determining (iii) pH values, using hydrogen, quinone-hydroquinone, and glass electrodes.
https://www.youtube.com/watch?v=naYbESrjylI&t=171s
Session 35 (Assignment 8 (1 Hr): Flip class)
Concentration cells without transference.
Session 36
Liquid junction potential; determination of activity coefficients and transference numbers.
Session 37
Qualitative discussion of potentiometric titrations (acid-base).
Session 38
Qualitative discussion of potentiometric titrations ( redox, precipitation).
Session 39 (Assignment 9 (1 Hr): Flip class)
Basic ideas of electrostatics, dielectric constant.
Session 40
Practice 9 (2 Hrs.): Static electricity.
https://phet.colorado.edu/en/simulation/balloons-and-static-electricity
Session 41
Dipole moment and molecular polarizabilities and their measurements.
https://www.khanacademy.org/science/chemistry/chemical-bonds/copy-of-dot-structures/v/dipole-moment
Session 42
Basics of diamagnetism, paramagnetism.
Session 44 (Assignment 10 (1 Hr): Flip class)
Needs for energy storage and storage alternatives.
Session 45
Fundamentals on Li ion batteries.
https://www.youtube.com/watch?v=VxMM4g2Sk8U&t=204s
Session 46
Basic principle and types of fuel cells.
https://www.youtube.com/watch?v=imV_ufIzxPY
https://www.youtube.com/watch?v=5_lDGna9MBM
Session 47
Theory of solar cells and types of solar cells.
https://www.youtube.com/watch?v=0b0axfyJ4oo
Session 48
Practice 10 (2 Hrs.): Photoelectric effect.
Session 49
Session 50
Practice 11 (2 Hrs.): Solar Panel Experiment.
Session 51
Basic principles on super capacitors and types of super capacitors.
https://www.youtube.com/watch?v=6FG6JRHGFyQ
Case Studies
Case Studies
Our Main Teachers
Dr. Pratap Kumar Chhotaray has completed his PhD. from IIT Madras in 2015. He then moved to The University of Alabama, USA followed by Louisiana State University, USA for two years’ postdoctoral research. Thereafter, he worked as a National Postdoctoral fellow at IIT Delhi for two years. Currently, he is working as an Asst. Prof. […]