JEE Main & Advanced Chemistry Chemical Kinetics Question Bank Rate of a reaction

  • question_answer Which reaction characteristics are changing by the addition of a catalyst to a reaction at constant temperature (i)            Activation energy            (ii)           Equilibrium constant (iii)          Reaction entropy             (iv)         Reaction enthalpy [DCE 2003]

    A)                 (i) Only

    B)                 (iii) only

    C)                 (i) and I(ii) only 

    D)                 All of these

    Correct Answer: A

    Solution :

                    Catalyst affect only activation energy. It brings down the activation energy of reaction.

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