You have a mixture of three liquids A, B and C. There is a large difference in the boiling points of A and rest of the two liquids i.e., B and C. Boiling point of liquids B and C are quite close. Liquid A boils at a higher temperature than B and C and boiling point of B is lower than C. How will you separate the components of the mixture. Draw a diagram showing set up of the apparatus for the process.
As liquid A boils at a higher temperature than B and C and boiling point of B is lower than C.
So, the order of boiling point for all three compounds is:
A > C > B
Now, as it is mentioned that there is a large difference in the boiling points of A and rest of the two liquids i.e., B and C. So, liquid A can be separated from the mixture by simple distillation.
And as the two liquids i.e B and C, are having close boiling points, than we use fractional distillation for the separation of the two.
The diagram showing set up of the apparatus for the processes are as follows:
Simple distillation setup:
Fractional distillation Setup :
