Home
Class 12
CHEMISTRY
The vapour pressure (VP) of a dilute sol...

The vapour pressure `(VP)` of a dilute solution of non-volatile solute is `P` and the `VP` of a pure solvent is `P^(@)`. The lowering of the `VP` is

A

`+ve`

B

`-ve`

C

`P//P^(@)`

D

`P^(@)//P`

Text Solution

Verified by Experts

The correct Answer is:
A

Lowering is always positive
Promotional Banner

Similar Questions

Explore conceptually related problems

For a non-volatile solute

Vapour pressure of a solution containing a non volatile solute is

The relative lowering of vapour pressure of a solution on the addition of non-volatile solute

The vapour pressure of a solvent decreased by 10 mm of Hg when a non-volatile solute was added to the solvent. The mole fraction of solute is 0.2 , what would be the mole fraction of solvent if the decrease in vapour pressure is 20 mm of Hg .

The vapour pressure at a given temperature of an ideal solution containing 0.2 mol of non-volatile solute and 0.8 mol of a solvent is 60 mm of Hg . The vapour pressure of the pure solvent at the same temperature will be

Calculate the vapour pressure of the solution. The molefraction of the solute is 0.25. The vapour pressure of the pure solvent is 0.8atm.

The relative lowering of vapour pressure of an aqueous solution containing a non-volatile solute, is 0.0125. The molality of the solution is

The vapour pressure of a solvent is 60 torr while that of its dilute solution is 52 torr. The mole fraction of the solvent is :