Chemistry : Organic Chemistry – Some Basic Principles and Techniques

Classify the following transformations according to the reaction type.

List various methods used for the purification of organic solids. 

How will you effect the separation of:
(i) Two immiscible liquids
(ii) Two miscible liquids
(iii) Two organic solids differing in solubility in same solvent ?

What is sublimation?

How will you effect the separation of a mixture of acetone and methyl alcohol which are miscible with each other?
Or
Give a brief description of fractional distillation.

When is the process of steam distillation employed? What is its principle?

Explain, why an organic liquid vaporises at a temperature below its boiling point in its steam distillation?

What types of liquids are purified by distillation under reduced pressure? What is its principle?