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In the context of surface chemistry, what does the term 'desorption' mean? (2023

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Question: In the context of surface chemistry, what does the term \'desorption\' mean? (2023)

Options:

  1. The process of adsorption
  2. The release of adsorbed molecules from a surface
  3. The absorption of a gas into a liquid
  4. The formation of a solid from a gas

Correct Answer: The release of adsorbed molecules from a surface

Exam Year: 2023

Solution:

Desorption refers to the process where adsorbed molecules are released from the surface back into the gas or liquid phase.

In the context of surface chemistry, what does the term 'desorption' mean? (2023

Practice Questions

Q1
In the context of surface chemistry, what does the term 'desorption' mean? (2023)
  1. The process of adsorption
  2. The release of adsorbed molecules from a surface
  3. The absorption of a gas into a liquid
  4. The formation of a solid from a gas

Questions & Step-by-Step Solutions

In the context of surface chemistry, what does the term 'desorption' mean? (2023)
  • Step 1: Understand that 'adsorption' is when molecules stick to a surface.
  • Step 2: Recognize that 'desorption' is the opposite process.
  • Step 3: Know that during desorption, the molecules that were stuck to the surface are released.
  • Step 4: Realize that these released molecules go back into the gas or liquid phase.
  • Desorption – The process where adsorbed molecules are released from a surface back into the gas or liquid phase.
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