Relative lowering of vapour pressure

Elevation of boiling point

Depression of freezing point

Surface tension

$ΔH_{mix} > 0$

$ΔV_{mix} > 0$

$ΔH_{mix} < 0$

A-B interactions are weaker than A-A and B-B interactions

Addition of a catalyst

Increasing the pressure

Decreasing the pressure

Increasing the temperature

Zero enthalpy of mixing.

Zero volume change on mixing.

Obedience to Raoult's Law.

Stronger interaction between unlike molecules than between like molecules.

Unsaturated solution

Saturated solution

Supersaturated solution

Dilute solution

The total vapour pressure of the solution is greater than the ideal vapour pressure.

The intermolecular forces between A-A and B-B are stronger than those between A-B.

The enthalpy of mixing ($\Delta H_{mix}$) is positive.

The volume of mixing ($\Delta V_{mix}$) is positive.

1.5 x 10^-3

3.3 x 10^-3

6.7 x 10^-4

1.2 x 10^-2

Concentrated

Saturated

Supersaturated

Dilute

Non-aqueous solution

Solid solution

Gaseous solution

Aqueous solution

It halves.

It remains the same.

It doubles.

It quadruples.

The solution obeys Raoult's Law.

$\Delta H_{mix} = 0$

$\Delta V_{mix} = 0$

Significantly different intermolecular forces between unlike molecules compared to like molecules.