A) concentration of the reactant molecules at active centres of the catalyst becomes high due to adsorption
B) in the process of adsorption, the activation energy of molecules becomes large
C) adsorption produces heat which increases the speed of the reaction
D) adsorption lowers the activation energy of the reaction.
Correct Answer: A
Solution :
[a] : The increased concentration of the reactants on the surface influences the rate of reaction.
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