Question

Generally solubility of gases in liquids is decreases as increasing temperature. Give reason.

Answer 1

• Increased temperature causes an increase in kinetic energy. The higher kinetic energy causes more motion in the gas molecules which break intermolecular bonds and escape from solution.
• Also it can be explained by Le Chatelier's principle,dissolution of gas in the liquid is an exothermic process with increase in temperature solubility decreases.
• Hence as the temperature increases, the solubility of a gas decreases