Question

Describe how you would use fractional distillation to separate a solution of liquid A(boiling point 56°C)B(boiling point 72°C)C(boiling point 100°C)

Answer 1

Explanation:

fractional distillation is a method for separating a liquid from a a mixture of two or more liquids for example , liquid ethanol can be separated from a mixture of ethanol and water by fractional distillation. This method works because the liquids in the mixture have a different boiling points evaporates before the other.

Answer 2

Let us explain it

Explanation:

Fractional distillation

It is a technique of separating the two miscible liquids from a mixture .

This technique is based on a principle : two liquids having different boiling points can separate by this method .

1. The sample is fed in to a  fractional column .
2. Apparatus is set as shown in attached file .
3. The solution that is fed  is heated at high temperature .
4. When it is introduced in column , the component with higher boiling point condenses first and the component with lower boiling point condenses later .
5. This is because :The heated  liquid with lower boiling point boils first and form vapors.
6. These vapors rises up  and condenses later .
7. This is how these liquids  with different boiling points are separated .

Now in above asked question , liquid with 100 degree celsius condenses first , then Liquid B and then at last liquid A .