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Explain the effect of catalyst on the ac...

Explain the effect of catalyst on the activation energy of the reaction with the graph.

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According to Arrhenius equation, lesser the activation energy `(E_(a))` faster will be the rate of reaction. In the presence of catalyst, a reaction proceeds in an alternative pathway with lesser activation energy. Thus, the reaction takes place faster.
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(a) Derive an integrated rate equation for the rate constant of a zero order reaction. (b) Draw a graph showing effect of catalyst on the activation energy of a chemical reaction.

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Knowledge Check

  • Activation energy is

    A
    threshold energy + average kinetic energy
    B
    threshold energy – average kinetic energy
    C
    threshold energy + potential energy
    D
    potential energy + average kinetic energy

  • The activation energy of a chemical reaction can be determined by

    A
    evaluating the concentration of reactants aat two different temperature
    B
    evaluating rate constants at two different temperature
    C
    evaluating rate constant at standard temperature
    D
    changing the concentration of reactions

  • The activation energy of a chemical reaction can be determined by

    A
    evaluating the concentration of reactants at two different temperatures
    B
    evaluating rate constants at two different temperatures
    C
    evaluating rate constant at standard temperature
    D
    changing the concentration of reactants

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    What is the effect of positive catalyst on the energy of activation?

    Explain the influence of a catalyst on rate of reaction.

    The activation energy of a chemical reaction can be determined by

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