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A catalyst promoter……….. The efficiency ...

A catalyst promoter……….. The efficiency of a catalyst while a poison…………….. The efficiency of the catalyst.

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Increases, decreases
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Knowledge Check

  • The efficiency of a catalyst depend on its

    A
    Molecular weight
    B
    Number of free valencies
    C
    Physical state
    D
    Amount used

  • A catalyst only

    A
    decreases activation energy
    B
    increases activation energy
    C
    both (a) and (b)
    D
    comes to equilibrium

  • Positve Catalyst

    A
    lowers activation energy
    B
    increases activation energy
    C
    may increase or may decrease activation energy
    D
    brings out equilibrium

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