Adsorption isotherm of three gases A, B and C are shown in the following figure, where is the percentage of surface coverage. The correct order of the extent of adsorption of these gases is 1. A > B > C 2. B > A > C 3. C > A > B 4. C > B > A
Answers
option 3 is correct
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The correct order of the extent of adsorption of these gases is( 3) C > A > B
Explanation:
1.Adsorption isotherm is the relationship between the adsorbate in the liquid phase and the adsorbate adsorbed on the surface of the adsorbent at equilibrium at constant temperature.
2.New theoretical expressions to model the five adsorption isotherm types have been established. Using the grand canonical ensemble in statistical physics
3.we give an analytical expression to each of five physical adsorption isotherm types classified by Brunauer, Emett, and Teller, often called BET isotherms.
4.Adsorption isotherm is basically important to describe how solutes interact with adsorbents and is critical in optimizing the use of adsorbents.
5.Adsorption isotherm study was carried out on four isotherm models, namely the Langmuir, Freundlich, Temkin and Dubinin-Radushkevich isotherm models.