Which of the following statements is incorrect regarding physiosorptions ?

Options

A. It occurs because of vander Waal’s forces
B. More easily liquefiable 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 positive

Answer

D

Explanation

`DeltaH` is negative for Adsorption.