Question

Colligative properties are observed when……..
A. a non-volatile solid is dissolved in a volatile liquid
B. a non-volatile liquid is dissolved in another volatile liquid
C. a gas is dissolved in non-voltatil liquid
D. a volatile liquid is dissolved inanother volatial liquid

Answer 1

Correct Answer - A::B
When only of one component of binary mixture either solvent or solute is volatile it causes deviation from ideal behavioru and vapour pressure of solution which causes change in colligative property.
Hwnce (a) and (b) are correct.