A mixture of two miscible liquids, acetone and water having boiling points 56°C and 100°C, are to be separated. Which of the following methods can be followed?

Crystallisation

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Separating funnel

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Distillation

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Sublimation

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Solution

The correct option is C Distillation
Miscible liquids are those liquids which completely mix with each other and form a uniform mixture. Distillation is used for separating two miscible liquids that have a considerable difference in their boiling points.

When the mixture is heated, the liquid with a lower boiling point vaporises first and the vapours can be collected. The vapours are then condensed to get the liquid back in a separate flask. The other liquid doesn't vaporise at this temperature as it has a higher boiling point and stays liquid. So, the liquids are now separated.

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