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The adsorption of gas on a solid surface...

The adsorption of gas on a solid surface varies with pressure of the gas in which of the following manner.

A

fast to slow to independent of the pressure

B

slow to fast to independent of the pressure

C

independent of the pressure to fast to slow

D

independent of the pressure to slow to fast

Text Solution

Verified by Experts

The correct Answer is:
A
Adsorption of a gas on solid is represented by following equilibria
Gas (Adsorbate) + solid (Adsorbent) hArr Gas adsorbed on solid + Heat
Initially adsorption increases with increase in pressure at a particular temperature then got slow. After attaining equilibrium adsorption become independent of pressure.
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