Question

Which of the following statements is incorrect regarding physisorptions?
(a) More easily liquefiable gases are adsorbed readily.
(b) Under high pressure it results into multimolecular layer on adsorbent surface.
(c) Enthalpy of adsorption ($\Delta H_{adsorption}$) is low and positive.
(d) It occurs because of van der Waal’s forces.

Answer 1

it is d is probably correct answer

Answer 2

D option is correct answer