Which of the following is appLicable to Langmuir adsorption isotherm when derived? Select the proper choice from the given choices.
(A) The random motion of molecules of gas
(B) Kinetic theory of gases
(C) Magnitude of adsorption of gas
(D) All the given
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d is the correct answer
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Answer:
(D) All the given
Explanation:
The adsorption model of Langmuir describes adsorption by assuming that an adsorbate is an ideal gas under isothermal conditions. The partial pressure of the adsorbate is connected to its weight, V, adsorbed onto a solid adsorbent under these conditions.
The following premises are strictly true for the simplest case inherent in this model:
The adsorption of a single adsorbent to a set of identical sites on the solid surface.
The surface of the adsorbing sites is a perfectly flat plane without any corrugation (assuming the surface is homogeneous).
The adsorbent gas adsorbs into a state of motionlessness.
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