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What is mean by the term 'catalyst' in a...

What is mean by the term 'catalyst' in a chemical reaction? Mention the characteristic features of a catalyst.

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Knowledge Check

  • The role of catalyst in a chemical reaction is :

    A
    To help attain equilibrium in a shorter time.
    B
    To lower the activation energy.
    C
    To shift the equilibrium in such a way as to increase the concentration of the product
    D
    Both (a) & (b)

  • Which is not the characteristic of a catalyst ?

    A
    it changes the equilibrium point
    B
    it initiates the reaction
    C
    it alter the rate of reaction
    D
    it increases the average KE of molecules

  • Which is a characteristics of a catalyst?

    A
    It changes the equilibrium point
    B
    It initiates the reaction
    C
    It alters the rate of reaction
    D
    It increases the average kinetic energy of the molecule

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