Question

According to the adsorption theory of catalysis, the speed of the reaction increases because
1) adsorption produces heat which increases the speed of the reaction
2) adsorption lowers the activation energy of the reaction
3) the concentration of reactant molecules at the active centres of the catalyst becomes high due to adsrptn
4) in the process of adsorption, the activation energy of molecules becmslarge

Answer 1

I think it's answer is 4) in the process of absorption , the activation energy of molecules becmslarge