AMU Medical AMU Solved Paper-2007

  • question_answer
    What is the role of a catalyst in a reaction?

    A)  It lowers the activation energy

    B)                  It increases the activation energy

    C)  It affects the free energy change

    D)  It affects the enthalpy change

    Correct Answer: A

    Solution :

                     All substances have average energy and before the reaction occurs, energy of the reactam should be higher than the average, energy. We know that the catalyst lowers the activation energy. Therefore, rate of reaction is increased.


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