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Question: Answered & Verified by Expert
According to the modern adsorption theory, what happens when a gas comes in contact with the surface of the catalyst?
ChemistrySurface ChemistryNEET
Options:
  • A It diffuses into the bulk of the catalyst
  • B It reacts with the inner part of the bulk
  • C Its molecules are held up due to loose chemical combination
  • D It remains unchanged in mass and composition
Solution:
2166 Upvotes Verified Answer
The correct answer is: Its molecules are held up due to loose chemical combination
The paragraph states that when a gas comes in contact with the surface of the catalyst, its molecules are held up there due to loose chemical combination.

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