1.

The correct statement(s) pertaining to the adsorption of a gas on a solid surface is (are)

Answer»

Adsorption is always oxothermic
PHYSISORPTION may transform into chemisorption at HIGH TEMPERATURE
Physisorption increases with increasing temperature but chemisorption decreases with increasing temperature
Chemisorption is more exothermic than physisorption, howerver it is very SLOW due to higher energy of activation

Solution :Only (C ) is incorrect because physisorption decreases with increasing temperature and chemisorption increase initially with increasing temperture.


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