Question

Condenser required for rectifying binary Azeotropic mixture is

(a) 1

(b) 2

(c) 3

(d) 4

This question was addressed to me in an online interview.

The question is from Rectification of Azeotropic Mixtures in section Distillation of Mass Transfer

Answer 1

Correct option is (a) 1

To elaborate: Since the distillate vapour from the fractionator are sent to the same condenser used for the first for minimizing the fixed cost.