Methods of Purification of Organic Compounds
Methods of Purification of Organic Compounds: Overview
The topic describes the different methods of purification of organic compounds. It covers sublimation, crystallization, distillation, differential extraction and chromatography in detail with diagrams.
Important Questions on Methods of Purification of Organic Compounds
Give a brief description of the principles of chromatography taking an example.
Give a brief description of the principles of distillation techniques taking an example.
The best and latest technique for isolation, purification and separation of organic compounds is:
Why is it necessary to use acetic acid and not sulphuric acid for acidification of sodium extract for testing sulphur by lead acetate test?
Explain, why an organic liquid vaporises at a temperature below its boiling point in its steam distillation?
Explain the principle of paper chromatography.
Discuss the chemistry of Lassaigne’s test.
What is the difference between distillation, distillation under reduced pressure and steam distillation?
Describe the method, which can be used to separate two compounds with different solubilities in a solvent S.
Give a brief description of the principles of crystallisation techniques with an example.
