A) Chemisorption forms multimolecular layer
B) Chemisorption is a reversible process
C) Chemisorption is independent of the pressure
D) Chemisorption has low enthalpy change
Correct Answer: C
Solution :
Chemisorption involves formation of monomolecular layer. It is irreversible in nature and involves high enthalpy of adsorption, \[ie,\]\[50-400\text{ }kJ/mol.\] It is favoured by high pressure but does not decrease with decrease in pressure. Thus, it can be said that chemisorption is independent of pressure.
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