1. Tardigrade
  2. Question
  3. Chemistry
  4. The number of statement/s which are the characteristics of physisorption is A. It is highly specific in nature B. Enthalpy of adsorption is high C. It decreases with increase in temperature D. It results into unimolecular layer E. No activation energy is needed

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Q. The number of statement/s which are the characteristics of physisorption is __________
A. It is highly specific in nature
B. Enthalpy of adsorption is high
C. It decreases with increase in temperature
D. It results into unimolecular layer
E. No activation energy is needed

JEE MainJEE Main 2023Surface Chemistry

Solution:

For physisorptions
(a)Decreases with increase in temperature
(b)No appreciable activation energy is required