Which of the following characteristics is not correct for physical adsorption ?

Adsorption is spontaneous

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Δ H

and

Δ S

are negative

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It is reversible in nature

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Degree of adsorption increases with temperature

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Solution

The correct option is C Degree of adsorption increases with temperature
$Physical adsorption is exothermic in nature. So rate of Physical adsorption decreases with increase in temperature.$

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