The best and latest technique for isolation, purification and separation of organic compounds is:
(a) Crystallisation (b) Distillation (c) Sublimation (d) Chromatography

The latest technique used for purification of organic compounds is

Give a brief description of the principles of the following techniques taking an example in each case. (a) Crystallisation (b) Distillation (c) Chromatography

Nitrobenzene and benzene can be separated by the method of : a. Steam distillation b. Crystallisation c. Fractional crystallization d. Chromatography

The compound ratio of a: b and c:d is

Explain cryatallization and sublimation phenomena whilch are used in the purification of organic compounds.

The characterstic property of solution is (a) formation of solution is physical change (b) solute and solvent in the solution can be separated by filteration (c) solute and solvent in the solution can be separated by decantation (d) solution can be represented with a chemical formula

Camphor can be purified by the process of ___________. a.sublimation b.distillation c.crystallization d.sedimentation

Column Chromatography is based on the principle of a. Adsorption b. Partition c. Absorption d. Distribution