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Adsorpton of gases on solid surface is g...

Adsorpton of gases on solid surface is generally exothermic because :

A

Enthalpy is positive

B

Entropy decreases

C

Entropy increases

D

Free energy increase

Text Solution

Verified by Experts

The correct Answer is:
B
Since adsorption is exothermic, `DeltaS` is negative and free energy decreases. Due to randomness of particles reduced so entropy will decreases.
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