Question

what is the role of a catalyst in a chemical reaction? a. it increases the activation energy. b. it gets consumed in the reaction. c. it lowers the activation energy. d. it consumes the reactants.

Explanation:

A catalyst is a substance that speeds up a chemical reaction by providing an alternative reaction pathway with a lower activation energy. It is not consumed in the reaction and does not consume reactants.

Answer:

C. It lowers the activation energy.