Question

Which of the following statements best describes how a catalyst works?

• A. A catalyst changes the potential energies of the reactants and products.
• B. A catalyst decreases the temperature of the reaction which leads to a faster rate.
• C. A catalyst lowers the activation energy for the reaction by providing a different reaction mechanism.
• D. A catalyst destroys some of the reactants, which lowers the concentration of the reactants.

Answer 1

Answer: (C)

Correct answer is (c) A catalyst lowers the activation energy for the reaction by providing a different reaction mechanism.