Laboratory Course VIII

Paper Code: 
CHY-416
Credits: 
2
Contact Hours: 
60.00
Objective: 

Course Objectives:

This course will enable the students to -

  1. understand the concept of quantitative gravimetric analysis method.

  2. provide an in-depth knowledge of various chromatographic techniques.

Course Outcomes (COs):

Course

Learning outcomes

(at course level)

Learning and teaching strategies

Assessment

Strategies

Paper Code

Paper Title

 

CHY-416

 

 

 

 

 

 

Laboratory Course VIII

 

 

 

 

 

The students will be able to –

 

CO122: apply quantitative gravimetric analysis method.

CO123: estimate percentage and number of functional groups by quantitative analysis method.

CO124: separate green leaf pigments by TLC and ascending paper chromatography.

 CO125: apply circular paper chromatography and column chromatography.

Interactive Lectures

 • Discussions

• Tutorials

• Substantial laboratory-based practical component and experiments

 

Lab Tests and viva voce at Periodic Intervals.

 

 Semester End Examination

 

 

 

Unit I: 

Quantitative Analysis: Gravimetric Analysis (Any Three)

a) Estimation of Cu as CuSCN

b) Estimation of Zn as Zinc ammonium phosphate

c) Estimation of Pb as PbCrO4

d) Estimation of Ni as Ni(DMG)2

 

Quantitative Analysis: Estimation of functional groups

a)   Determination of the percentage and number of hydroxyl groups in an organic compounds by acetylation method.

b)   Estimation of amines/phenols using bromated/bromide solution.

 

Chromatography

a) Separation of 2,4 –dinitrophenylhydrazones of acetone, 2-butanone, hexan-2- one and hexane-3-one using toluene and light petroleum (40:60) by TLC

b) Separation of green leaf pigments (spinach leaves may be used) by TLC

c) Separation of green leaf pigments (spinach leaves may be used) by ascending paper chromatography

d) Separation of amino acids or carbohydrates by circular paper chromatography.

e) Separation of mixture of organic compounds by column chromatography 

References: 
  • Vogel’s Textbook of Quantitative Chemical Analysis; Sixth Edition; M. Thomas, B. Sivasankar, J. Mendham, R.C. Denney, J. D. Barnes; Pearson Education, New Delhi, 2009.
  • Vogel’s Textbook of Practical Organic Chemistry; Fifth Edition; B.S. Furniss, A.J. Hannaford, P.W.D. Smith, A.R. Tatchell; Pearson Education, New Delhi, 2003.
Academic Year: