Chemistry - Liquid Solution Question with Solution | TestHub

The solubility of gases in liquids is an exothermic process. According to Le Chatelier's principle, solubility decreases with an increase in temperature.

According to Henry's law, the solubility of a gas in a liquid is directly proportional to the pressure of the gas. Thus, solubility increases with an increase in pressure.

Substances with similar intermolecular forces dissolve in each other, following the principle of 'like dissolves like'.

Henry's law is applicable only to gases that do not react chemically with the solvent. Gases like ${\text{NH}}_3$ and ${\text{CO}}_2$ react with water to form ${\text{NH}}_4\text{OH}$ and ${\text{H}}_2{\text{CO}}_3$ respectively. Hence, they do not obey Henry's law.

Answer: Gases like ${\text{NH}}_3$ and ${\text{CO}}_2$ obey Henry's law