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Question

Why does physisorption decrease with the increase of temperature?

Solution
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Physisorption is exothermic in nature. Therefore in accordance with the Le-Chatelier principle, it decreases with an increase in temperature. This means physisorption occurs at a low temperature more readily.
Physisorption is reversible in nature.

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The correct statement(s) pertaining to the adsorption of a gas on a solid surface is(are):
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