Question:
The adsorption of a gas on solid adsorbent follows Freundlich adsorption isotherm. The graph drawn between $ \frac{X}{m} $ and $ p $ at different temperatures X, Y, Z is shown. (X = mass of gas adsorbed, m = mass of adsorbent and p = Pressure of gas). The correct relation between X, Y, Z is:
The adsorption of a gas on solid adsorbent follows Freundlich adsorption isotherm. The graph drawn between $ \frac{X}{m} $ and $ p $ at different temperatures X, Y, Z is shown. (X = mass of gas adsorbed, m = mass of adsorbent and p = Pressure of gas). The correct relation between X, Y, Z is:
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In adsorption studies, the amount of adsorption decreases with increasing temperature because the adsorbate molecules acquire enough energy to escape the adsorbent surface.
Updated On: May 9, 2025
- \( X>Y>Z \)
- \( Z>Y>X \)
- \( X>Z>Y \)
- \( Z>X>Y \)
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The Correct Option is A
Solution and Explanation
According to Freundlich adsorption isotherm, the amount of gas adsorbed increases with increasing pressure. At higher temperatures, the adsorption decreases as the gas molecules gain more energy and escape from the surface of the adsorbent.
Thus, the correct relation between the three graphs is \( X>Y>Z \).
Thus, the correct relation between the three graphs is \( X>Y>Z \).
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