Which of the following statements is incorrect regarding physisorption?

Options

A. It occurs because of vander Waal's forces
B. More easily liquifiable gases are adsorbed readily
C. Under high pressure it results into multi-molecular layer on adsorbent surface
D. Enthalpy of adsorption (`DeltaH_("adsorption")`) is low and positve

Answer

D

Explanation

Properties of ionic solid