At a given temperature, osmotic pressure of a concentrated solution of a substance:

1.	Is higher than that of a dilute solution.
2.	Is lower than that of a dilute solution.
3.	Is same as that of a dilute solution.
4.	Cannot be compared with osmotic pressure of dilute solution.

According to Henry’s law, the value of Henry’s constant (K_H) for a gas is:

The intermolecular forces between benzene molecules are approximately equal in strength to those between toluene molecules. For a benzene + toluene mixture, identify the incorrect statements.

Which option lists the incorrect statements?

For a binary ideal liquid solution, the curve that represents the variation in total vapor pressure versus composition of the solution is:

a.		b.
c.		d.

The correct option is:
1. a and b
2. b and c
3. c and d
4. a and d

An aqueous solution of 2% non-volatile solute exerts a pressure of 1.004 bar at the normal boiling point of the solvent. The molar mass of the solute is -

1. 53.50 g mol^-1

2. 43.5 kg mol^-1

3. 22.6 kg mol-1

4. 41.35 g mol^-1

An unripe mango placed in a concentrated salt solution to prepare pickle shrivels because:

A solution that has the highest boiling point among the following is:

1. 1.0 M NaOH

2. 1.0 M Na₂SO₄ 

3. 1.0 M NH₄NO₃

4. 1.0 M KNO₃

Colligative properties are dependent on which of the following factors?

A beaker contains a solution of substance 'A'. Precipitation of substance ‘A’ takes place when a small amount of 'A' is added to the solution. The solution is: