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Define rate of reaction and rate constan...

Define rate of reaction and rate constant.

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Specific reaction rate is the rate of reaction when the molar concentration of each of the reactants is unity.
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Write any four differences between 'rate of reaction' and 'rate constant' of a reaction.

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Knowledge Check

  • The units of rate of reaction and rate constant are identical for a

    A
    fractional order reaction
    B
    zero order reaction
    C
    first order reaction
    D
    second order reaction.

  • The unit of rate of reaction and rate of rate constant are same for a :

    A
    zero order reaction
    B
    first order reaction
    C
    Second order reaction
    D
    third order reaction

  • Assertion : The rate of reaction is the rate of change of concentration of a reactant or a product. Reason : Rate of reaction remians constant during the complete reaction.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

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    Define rate constant of reaction.

    Define order of reaction, what are the units for the rate constant of first order reaction?

    Assertion. Rate constant of a zero order reaction has the same units as those of the rate of reaction. Reason. For a zero order reaction, Rate = Rate constant.

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