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Question

(D) Transition elements act as catalysts primarily because they can exhibit variable oxidation states and provide a large surface area with free valen

Vedclass · Accepted Answer

They exhibit variable oxidation states.

Vedclass · Answer

(D) Transition elements act as catalysts primarily because they can exhibit variable oxidation states and provide a large surface area with free valencies. This allows them to form unstable intermediate compounds with reactants,which lowers the activation energy of the reaction. Thus,the correct option is $D$.

Transition elements act as catalysts because....

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