The method used for the separation of the mixture of products ($B$ and $C$) obtained in the following reaction is:

Which purification method is generally used for a high boiling organic liquid compound,which decomposes below its boiling point?

Given below are two statements:
Statement-$I$: Retardation factor $(R_f)$ can be measured in $meter/centimeter$.
Statement-$II$: $R_f$ value of a compound remains constant in all solvents.
Choose the most appropriate answer from the options given below:

Describe the simple distillation method for the purification of liquid compounds.

Glycerol is purified by

What is the characteristic of $R_f$ value?