Question

Which of the liquids can be separated by simple distillation method?

• A. Liquids having sufficient difference in their boiling points
• B. Liquids which boil without decomposing at atmospheric pressure
• C. Liquids whose boiling points are close to each other
• D. Benzene (B.P. = 80°C) and Aniline (B.P. = 184°C)

Answer 1

Answer: (A), (B), (D)

Benzene (B.P. = 80°C) and Aniline (B.P. = 184°C)

Simple distillation is applied only for volatile liquids which boil without decomposing at atmospheric pressure and contains ​non-volatile impurities.​

It can also be used for separating liquids having sufficient difference in their boiling points.

The boiling point of benzene and aniline is ${80}^{\circ }$ and ${184}^{\circ }$ respectively. Since, they have a huge difference in their boiling point, they can be separated by simple distillation method.

Liquids whose boiling points are close to each other can be separated by fractional distillation method.