Which of the following is a colligative property?

Options

A. Osmotic pressure
B. Boiling point
C. Vapour pressure
D. Freezing point

Answer

A

Explanation

(a) Osmotic pressure is colligative property.
(b) Not boiling point but, elevation in boiling point.
(c) Not vapour pressure but, relative lowering in vapour pressure.
(d) Not freezing point but, lowering in freezing point.