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Question: Answered & Verified by Expert
A particular adsorption process has the following characteristics: (i) It arises due to van der Waals forces and (ii) it is reversible. Identify the correct statement that describes the above adsorption process:
ChemistrySurface ChemistryJEE MainJEE Main 2016 (09 Apr Online)
Options:
  • A Adsorption is monolayer
  • B Adsorption increases with increase in temperature
  • C Enthalpy of adsorption is greater than 100 kJ mol-1
  • D Energy of activation is low
Solution:
1099 Upvotes Verified Answer
The correct answer is: Energy of activation is low
In the case of physical adsorption there is almost nil energy of activation and very low enthalpy change.

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