AIPMT 2003 Physics and Chemistry Paper

Question : 80 of 100

Marks: +1, -0

According to the adsorption theory of catalysis, the speed of the reaction increase because :

The concentration of reactant molecules at the active centers of the catalyst becomes high due to adsorption
In the process of adsorption, the activation energy of the molecules becomes large
Adsorption produces heat which increases the speed of the reaction
Adsorption lowers the activation energy of the reaction.

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