Which of the following is incorrect for physisorption?

Reversible

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Increases with increase in temperature

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Low heat of adsorption

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Increases with increase in surface area

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Solution

The correct option is B Increases with increase in temperature
Since the adsorption process is exothermic, the physical adsorption occurs readily at low temperature and decreases with increase in temperature (Le-Chatelier's principle).

Hence, option B is incorrect.

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