The Langmuir adsorption isotherm assumes which of the following?

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Question: The Langmuir adsorption isotherm assumes which of the following?

Options:

Correct Answer: Adsorption sites are equivalent

Solution:

The Langmuir isotherm assumes that adsorption occurs on a surface with a finite number of equivalent sites.

The Langmuir adsorption isotherm assumes which of the following?

The Langmuir adsorption isotherm assumes which of the following?

Step 1: Understand that the Langmuir adsorption isotherm is a model used to describe how molecules stick to a surface.
Step 2: Recognize that it assumes there are specific spots (or sites) on the surface where molecules can attach.
Step 3: Note that these sites are all the same (equivalent), meaning each site has the same ability to hold a molecule.
Step 4: Remember that the total number of these sites is limited (finite), so there is a maximum amount of molecules that can be adsorbed.

Langmuir Adsorption Isotherm – The Langmuir adsorption isotherm describes the adsorption of molecules onto a solid surface, assuming a finite number of equivalent sites and that each site can hold only one molecule.
Finite Number of Sites – The assumption of a finite number of equivalent adsorption sites means that there is a limit to how many molecules can be adsorbed on the surface.
Equivalence of Sites – All adsorption sites are considered equivalent, meaning they have the same energy and characteristics for adsorption.