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Which is correct about physical adsorpti...

Which is correct about physical adsorption?

A

High temperature and high pressure favour adsorption

B

High temperature and low pressure favour adsorption

C

Low temperature and high pressure favour adsorption

D

Low temperature and low pressure favour adsorption

Text Solution

Verified by Experts

The correct Answer is:
C
Adsorption being an exothermic process, is favoured by low temperature (according to Le-Chatelier.s principle).
Moreover, high pressure also favours adsorption, because during adsorption, voluem of gases decreases along with liberation of heat.
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