The Langmuir adsorption isotherm assumes that:

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Question: The Langmuir adsorption isotherm assumes that:

Options:

Correct Answer: Adsorption sites are equivalent

Solution:

The Langmuir isotherm assumes that adsorption sites are equivalent and that the process is monolayer.

The Langmuir adsorption isotherm assumes that:

The Langmuir adsorption isotherm assumes that:

Correct Answer: Adsorption sites are equivalent and the process is monolayer.

Step 1: Understand that the Langmuir adsorption isotherm is a model used to describe how molecules stick to a surface.
Step 2: Know that it assumes all adsorption sites on the surface are the same, meaning they have equal ability to hold molecules.
Step 3: Recognize that it also assumes that only one layer of molecules can stick to the surface, which is called a monolayer.
Step 4: Remember that this model does not allow for multiple layers of molecules to form on top of each other.

Langmuir Adsorption Isotherm – A model that describes the adsorption of molecules onto a solid surface, assuming that all adsorption sites are equivalent and that only a single layer of molecules can be adsorbed.
Monolayer Coverage – The assumption that the adsorption process results in a single layer of adsorbate molecules on the surface, with no further adsorption occurring once the sites are filled.
Equivalence of Adsorption Sites – The assumption that all available adsorption sites on the surface have the same energy and are equally likely to be occupied by adsorbate molecules.