The correct statement(s) to the adsorption of a gas on a solid surface – InterviewSolution

1.	The correct statement(s) to the adsorption of a gas on a solid surface is (are)
Answer» Adsorption is ALWAYS exothermic 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, however it is very slow due to higher ENERGY of activation Solution :Adsorption is exothermic at high temp physisorption transfer to chemical adsorption `DetlaH` is more for chemisorption [40 - 400] Activation energy in more

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