WB JEE Medical WB JEE Medical Solved Paper-2008

  • question_answer
    A catalyst is a substance which

    A)  increases the equilibrium constant of the reaction

    B)  increases equilibrium concentration of products

    C)  does not alter the reaction mechanism

    D)  changes the activation energy of the reaction

    Correct Answer: D

    Solution :

                     A catalyst changes the activation energy of the reaction. As a result, the reaction follows an alternate path and the rate of reaction will change.


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