In the Langmuir adsorption isotherm, which assumption is NOT made? (2019)

Practice Questions

Q1
In the Langmuir adsorption isotherm, which assumption is NOT made? (2019)
  1. Adsorption occurs on a surface with a finite number of identical sites
  2. Adsorption is reversible
  3. There is no interaction between adsorbed molecules
  4. Adsorption occurs only at high pressures

Questions & Step-by-Step Solutions

In the Langmuir adsorption isotherm, which assumption is NOT made? (2019)
  • Step 1: Understand what the Langmuir adsorption isotherm is. It describes how molecules stick to a surface.
  • Step 2: Know that the Langmuir model makes certain assumptions about how adsorption happens.
  • Step 3: One key assumption of the Langmuir isotherm is that adsorption can occur at all pressures, not just when the pressure is high.
  • Step 4: Identify the question: it asks which assumption is NOT made in the Langmuir isotherm.
  • Step 5: Conclude that the assumption about adsorption occurring at all pressures is indeed made, so it is NOT the answer to the question.
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