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What is the main difference between physisorption and chemisorption?

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Question: What is the main difference between physisorption and chemisorption?

Options:

  1. Temperature dependence
  2. Nature of forces involved
  3. Reversibility
  4. All of the above

Correct Answer: All of the above

Solution: 

The main difference lies in the nature of forces involved; physisorption is due to weak van der Waals forces, while chemisorption involves strong chemical bonds.

What is the main difference between physisorption and chemisorption?

Practice Questions

Q1
What is the main difference between physisorption and chemisorption?
  1. Temperature dependence
  2. Nature of forces involved
  3. Reversibility
  4. All of the above

Questions & Step-by-Step Solutions

What is the main difference between physisorption and chemisorption?
  • Step 1: Understand that physisorption and chemisorption are two ways that molecules can attach to a surface.
  • Step 2: Learn that physisorption happens because of weak forces called van der Waals forces, which are like gentle attractions.
  • Step 3: Recognize that chemisorption involves strong chemical bonds, which are much stronger than the forces in physisorption.
  • Step 4: Remember that because of these differences, physisorption is usually reversible, while chemisorption is often not.
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