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The Freundlich adsorption isotherm is best described by which equation? (2023)

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Question: The Freundlich adsorption isotherm is best described by which equation? (2023)

Options:

  1. x/m = kP
  2. x/m = kP^(1/n)
  3. P = k(x/m)
  4. P = k(x/m)^(1/n)

Correct Answer: x/m = kP^(1/n)

Exam Year: 2023

Solution: 

The Freundlich isotherm is represented by the equation x/m = kP^(1/n), where x is the amount adsorbed, m is the mass of the adsorbent, and P is the pressure.

The Freundlich adsorption isotherm is best described by which equation? (2023)

Practice Questions

Q1
The Freundlich adsorption isotherm is best described by which equation? (2023)
  1. x/m = kP
  2. x/m = kP^(1/n)
  3. P = k(x/m)
  4. P = k(x/m)^(1/n)

Questions & Step-by-Step Solutions

The Freundlich adsorption isotherm is best described by which equation? (2023)
  • Step 1: Understand that the Freundlich adsorption isotherm describes how a substance (adsorbate) adheres to a surface (adsorbent).
  • Step 2: Identify the key components of the equation: 'x' is the amount of the substance that is adsorbed, 'm' is the mass of the adsorbent, and 'P' is the pressure of the adsorbate.
  • Step 3: Recognize the equation format: x/m = kP^(1/n), where 'k' and 'n' are constants that depend on the specific system.
  • Step 4: Conclude that this equation shows how the amount adsorbed changes with pressure.
  • Freundlich Adsorption Isotherm – A model that describes how the amount of a substance adsorbed onto a solid surface varies with pressure, indicating non-ideal adsorption behavior.
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