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Why do gases always tend to be less soluble in liquids as the temperature is raised?

Why do gases always tend to be less soluble in liquids as the temperature is raised?

Grade:11

1 Answers

Anjali Ahuja
askIITians Faculty 240 Points
7 years ago

When gas dissolve in liquid it generate a small quantity of heatTherefore we can say that dissolution of gas in a liquid is a exothermic reaction.
Gas + liquid < --- > solution + heat
According to Le Chatelier's principle when we increase the temperature in a exothermic reaction , the reaction will move to back ward direction that means solution will dissociate and will give gas .Hence with the rise of temperature gas will less soluble.

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