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Get Answers to all your Questions
5.4 What are the factors which influence the adsorption of a gas on a solid?
Answers (1)
The factors which influence the adsorption of a gas on a solid-
- Surface area-the greater the surface area of the adsorbent higher is the amount of adsorbent to get absorbed.
- temperature- Adsorption is an exothermic process. So, physical adsorption readily at a lower temperature and decrease with increase in temperature.
- Pressure- On increasing pressure, the amount of adsorbate increased as the volume of gas decreased(Le-Chateliers principle)
- Nature of gas- If the gas is easily liquefiable (
) then it gets easily adsorbed on the adsorbent solid or liquid. Because these gases have high van der Waals force so their extent of adsorption is high as compare to
.
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