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

Options

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.

Answer

B

Explanation

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).