Manipal Medical Manipal Medical Solved Paper-2010

  • question_answer
    Catalytic poisons act by

    A)  making the products chemically inactive

    B)  increasing the rate of the backward reaction

    C)  chemical combination with any one of the reactants

    D)  preferential adsorption on the catalyst surface

    Correct Answer: D

    Solution :

     The catalytic poisons decreases the activity of catalyst due to strong preferential adsorption of the poison on the surface of the catalyst.


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