Coming soon
Laboratory Course XI
Qualitative Analysis
Separation, purification and identification of components of a mixture of two and three organic compounds (Two/three solids, one/two solid and one liquid) using TLC for checking the purity of separated compounds.
Marking Instructions
The duration of examination will be 4 hrs.
The following exercises will be set in the examinations
Organic Chemistry: Mixture analysis 55 marks
Viva 15 marks
Total 70 marks
3. Mixture analysis
This exercise carries 55 marks for the identification of two organic compounds; Five marks are reserved for the proper selection of separation technique, rest of the50 marks are kept for the identification of two organic compounds (25 marks each)
- Physical properties: colour, state, odour 2 marks
- Solubility 2 marks
- Aliphatic/ Aromatic 3marks
- Element detection 4 marks
- Functional group 3 marks
- M.P/B.P. 2 marks
- Confirmatory test 3 marks
- Derivative – procedure & M.P. 3 marks
- Result 3 marks
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4. Viva
Oral questions shall generally be asked over the work assigned to the candidate. The purpose is to find out as to what extent the candidate has understanding the basic principles of chemistry.
- Vogel’s Textbook of Practical Organic Chemistry; Fifth Edition; B.S. Furniss, A.J. Hannaford, P.W.D. Smith, A.R. Tatchell; Addison-Wesley Longman Ltd., England, 1998.
- Organic Analytical Chemistry , JagMohan , Himalaya Publishing House ,1992
