In the Langmuir adsorption isotherm, what assumption is made about the adsorptio

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Question: In the Langmuir adsorption isotherm, what assumption is made about the adsorption sites?

Options:

Correct Answer: They are identical and have the same energy

Solution:

The Langmuir isotherm assumes that all adsorption sites are identical and have the same energy.

In the Langmuir adsorption isotherm, what assumption is made about the adsorption sites?

In the Langmuir adsorption isotherm, what assumption is made about the adsorption sites?

Step 1: Understand that the Langmuir adsorption isotherm is a model used to describe how molecules stick to a surface.
Step 2: Know that the model assumes there are specific spots on the surface where molecules can attach, called adsorption sites.
Step 3: Recognize that the key assumption of the Langmuir isotherm is that all these adsorption sites are the same.
Step 4: Realize that because the sites are identical, they all have the same energy for adsorption, meaning they behave uniformly.

Langmuir Adsorption Isotherm – A model that describes the adsorption of molecules onto a solid surface, assuming a fixed number of identical sites.
Identical Adsorption Sites – The assumption that all sites on the adsorbent have the same energy and are equivalent in terms of their ability to adsorb molecules.