Question

Fractional distillation is suitable for separation of miscible liquids with a boiling point difference of about 25 K or less. What part of fractional distillation apparatus makes it efficient and possess an advantage over a simple distillation process. Explain using a diagram.

Answer 1

Can't draw diagrams on this forum. The process works largely because of the fractionating column. Here is a picture. Google fractional distillation for a discussion. https://en.wikipedia.org/wiki/Fractionating_column