Assertion (A) Colloidal solution show colligative properties.
Reason (R) Colloidal particles are large in size.

Options

A. Both A and Rare true and R is the correct explanation of A
B. Both A and R are true but explanation of A
C. A is true but R is false
D. A is false and R is True

Answer

B

Explanation

Colloidal particles are large in size and hence the number of particles is lesser than the true solution. The lesser number of particles results in lower colligative properties.