Q. Which statement is not correct?
A) Physical adsorption is due to van der Waals’ forces
B) Physical adsorption decreases at high temperature and low pressure
C) Physical adsorption is reversible
D) Adsorption energy for a chemical adsorption is generally lesser than that of physical adsorption
Explanation
(d)
Chemisorption is stronger than physical adsorption and give rise to evolution of more heat.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.