Why is fractional distillation usually preferred over simple distillation when s

Question

Why is fractional distillation usually preferred over simple distillation when separating a mixture of liquids?

A. Fractional distillation usually results in a much more complete separation of the liquids than simple distillation although it is difficult to achieve 100% separation in either.

B. Simple distillation never takes place in a vacuum while fractional distillation does, resulting is more complete separation when using fractional distillation

C. Fractional distillation is much easier to conduct than simple distillation

D. Fractional distillation always results in complete separation of the liquids while simple distillation never completely separates the liquids 100%.

Explanation / Answer

Answer is (Option A)

A. Fractional distillation usually results in a much more complete separation of the liquids than simple distillation although it is difficult to achieve 100% separation in either.

Reason for answer:

Fractional distillation is the separation of a mixture into its component parts, or fractions, such as in separating chemical compounds by their boiling point by heating them to a temperature at which several fractions of the compound will evaporate. It is a special type of distillation. Generally the component parts boil at less than 25

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