Question
Chemistry Question on Surface Chemistry
Which of the following statements is incorrect regarding physiosorption ?
A
Under high pressure it results into multimolecular layer on adsorbent surface
B
More easily liquefiable gases are adsorbed readily
C
Enthalpy of adsorption (AH adsorption) is low and positive
D
It occurs because of van der Walls forces
Answer
Enthalpy of adsorption (AH adsorption) is low and positive
Explanation
Solution
The correct option is (C) : Enthalpy of adsorption (AH adsorption) is low and positive