Question

Which of the following is not a point of difference between physisorption and chemisorption?

• A. Magnitude of chemisorption increases but of physisorption decreases with rise in temperature
• B. Chemisorption is an irreversible process whereas physisorption is reversible in nature
• C. Activation energy is high for physisorption and low for chemisorption
• D. Physisorption results in the formation of multimolecular layer, while only unimolecular layer is formed in case of chemisorption

Answer 1

Answer: (C)

Correct answer is (c) Activation energy is high for physisorption and low for chemisorption