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What is the primary mechanism by which adsorption occurs on a solid surface?

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Question: What is the primary mechanism by which adsorption occurs on a solid surface?

Options:

  1. Physical adsorption
  2. Chemical adsorption
  3. Ion exchange
  4. Covalent bonding

Correct Answer: Chemical adsorption

Solution: 

Adsorption can occur through physical or chemical means, but chemical adsorption (chemisorption) involves the formation of a chemical bond between the adsorbate and the surface.

What is the primary mechanism by which adsorption occurs on a solid surface?

Practice Questions

Q1
What is the primary mechanism by which adsorption occurs on a solid surface?
  1. Physical adsorption
  2. Chemical adsorption
  3. Ion exchange
  4. Covalent bonding

Questions & Step-by-Step Solutions

What is the primary mechanism by which adsorption occurs on a solid surface?
  • Step 1: Understand that adsorption is when molecules stick to a surface.
  • Step 2: Know that there are two main types of adsorption: physical adsorption and chemical adsorption.
  • Step 3: Physical adsorption (physisorption) happens when molecules stick to a surface without forming strong bonds.
  • Step 4: Chemical adsorption (chemisorption) occurs when molecules form a strong chemical bond with the surface.
  • Step 5: Recognize that the primary mechanism for adsorption on a solid surface is through these interactions, especially chemisorption.
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