Explain why an organic liquid vaporises at a temperature below its boiling point during steam distillation.

Which one of the following techniques is not used to spot components of a mixture separated on a thin layer chromatographic plate?

At what temperature and pressure does a liquid vaporize in steam distillation?

Give the difference between paper chromatography and thin layer chromatography.

Suggest the method for the purification of naphthalene.

From the figure of column chromatography given below,identify the incorrect statements.
$A.$ Compound '$c$' is more polar than '$a$' and '$b$'
$B.$ Compound '$a$' is least polar
$C.$ Compound '$b$' comes out of the column before '$c$' and after '$a$'
$D.$ Compound '$a$' spends more time in the column
Choose the correct answer from the options given below :-