Question

a) what is meant by the term flooding of the fractionating column and what causes it?

b) Assume that no azeotropes are formed, would it be easier to separate n-hexane and benzene or n-hexane and toluene by distillation? expalin?

Thank you!

Answer 1

Scroll down to flooding and read about that.

Answer 2

Look up the boiling points of n-hexane, benzene and toluene. It should be easier to separate the two with the greater boiling point difference.