Assertion : Lyophilic colloids have a unique property of protecting lyophobic colloids.
Reason : Lyophilic colloids are extensively solvated.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion
C. If assertion is true but reason is false
D. if both assertion and reason are false

Answer

B

Explanation

When a lyophilic sol is added to the lyophobic particles form a layer around lyophobic particles and thus protect latter from electrolytes. Lyophilic colloids used for this purpose are called protective colloids.