Answer to Question #174715 in Organic Chemistry for Tuhin Subhra das

Question

 How is the solubility of a gas affected by different factors? Explain.

Answer 1

Dependence on the nature of gas and solvent: The abnormally high solubility of gases in liquids is usually due to their specific interaction with a solvent - the formation of a chemical compound (for ammonia) or dissociation in solution into ions (for hydrogen chloride). Gases whose molecules are non-polar dissolve, as a rule, better in non-polar liquids, and vice versa.

Pressure: The solubility of most gases increases with increasing pressure

temperature: The solubility of most gases decreases with increasing temperature. The dissolution of gases is almost always accompanied by the release of heat (due to the solvation of their molecules). Therefore, according to Le Chatelier's principle, as the temperature rises, the solubility of gases decreases.

solutes: reduce the solubility of gases. Solute molecules carry gas molecules out of solution.