Question

In the depression of freezing point experiment

A. Vapour pressure of the solution is less than that of pure solvent

B. Vapour pressure of the solution is more than that of pure solvent

C. Only solute molecules solidify at the freezing point

D. Only solvent molecules solidify at the freezing point

Choose the most appropriate answer from the options given below:

• A. A only
• B. $B$ and $C$ only
• C. A and C only
• D. A and D only

Answer 1

Answer: (D)

A and D only

Answer 2

Vapour pressure (V.P.) of solvent is greater than vapour pressure (V.P.) of solution. Only solvent freezes.