ANALYTICAL CHEMISTRY II

Paper Code: 
CHY 611
Credits: 
3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

Course Objective(s):

     This course will enable the students to -

  • understand the concept of analytical techniques.

Course Outcomes (COs):

Course Outcomes

 

Teaching Learning Strategies

Assessment

Strategies

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

CO157: understand basic concepts and apply potentiometry, electrogravimetry, and coulometry.

CO158: compare constant current coulometry and controlled potential coulometry and perform coulometric titrations.

CO159: explain the applications of voltammetry and polarimetry methods in quantitative and qualitative estimation.

CO160: illustrate various optical methods of analysis such as spectrophotocolorimetry, atomic absorption spectroscopy and flame photometry

CO161: understand the principle and applications of various chromatographic separation techniques like gas, liquid and ion exchange chromatography.
  • Interactive lectures
  • Discussions
  • Tutorials
  • Problem solving

 
  • Presentations by individual student/ group of students
  • Class tests at periodic intervals.
  • Written assignments

 

 

 

9.00
Unit I: 
Potentiometry and Electrogravimetry

Potentiometry– basic concept and applications in acid-base titrations, oxidation-reduction titrations, precipitation titrations and complexometric titrations.
Electrogravimetry- basic concept, current density, polarization, decomposition voltage, electrolysis at constant current and constant voltage and its basic applications.

 

9.00
Unit II: 
Coulometry

Principles of electrolysis, constant current coulometry, controlled potential coulometry, coulometric titrations, applications.

 

9.00
Unit III: 
Voltammetry and Polarimetry

Cyclic Voltammetry- principle of cyclic Voltammetry, cyclic voltammogram of K3[Fe(CN)6], and parathion, criteria of reversibility of electrochemical reactions, quasireversible and irreversible processes. Amperometric titrations, Chrono-amperometry and chrono-potentiometry.
Polarimetry- polarization of light, optical activity, angle of rotation, specific rotation, measurement of rotatory power (instrumentation), applications of polarimetry in quantitative and qualitative analysis.

 

 

9.00
Unit IV: 
Optical Methods of Analysis

Lambert and Beer law, verification, derivation, signification of λmax and molar absorptivity, theory of fluorescence and phosphorescence.
Spectrophotocolorimetry- single beam and double beam spectrophotometers, functions of the components, applications.
Atomic absorption spectroscopy- principle, instrumentation, spectral interferences and chemical interferences in atomic absorption spectroscopy, applications in quantitative analysis (analysis of Zn2+, Cu2+ and Pb2+).
Flame photometry- principle, instrumentation, interferences in flame photometry, applications in quantitative analysis, comparison of atomic absorption and flame emission spectroscopy.

 

9.00
Unit V: 
Chromatographic Methods

Principle, instrumentation and applications of gas chromatography, high performance liquid chromatography and ion-exchange chromatography.

 

Essential Readings: 
  • Analytical Chemistry, Second Edition; D. C. Dash; PHI Learning Private Limited, New Delhi, 2016.
  • Basic Concepts of Analytical Chemistry, Fourth Edition; S. M. Khopkar; New Age International Pvt Ltd. Publishers, 2020.
References: 

SUGGESTED READINGS:

  • Instrumental Methods of Analysis, Seventh Edition; H. H. Willard, Jr. L. L. Merritt, J. A. Dean, F. A. Settle; CBS Publishers and Distributors, 2004.
  • Analytical Chemistry, Seventh Edition; G. D. Christian, John Wiley & Sons, New York, 2013.
  • Principles of Instrumental Analysis, Seventh Edition; D. A. Skoog, F. J. Holler and S. R. Crouch; Boston, Mass.: Cengage Learning, USA, 2016.
  • Analytical Chemistry-Methods of Separation; R. V. Dilts; Van Nostrand Reinhold Company, 1974.

e-RESOURCES:

 

Academic Year: 
2022-2023
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