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Which one of the following characteristi...

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

A

Adsorption on solid is reversible

B

Adsorption increase with increase in temperature

C

Adsorption is spontaneous

D

Both enthalpy and entropy of adsorption are negative.

Text Solution

Verified by Experts

The correct Answer is:
B
Since the physical adsorption process is exothermic, the physical adsorption occures readily at low temperature and decreases with increasing temperature and decreases with increasing temperature. (Le Chatelier's principle).
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