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On the basis of rate equation show that ...

On the basis of rate equation show that a first order reaction does never go to completion.

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On the basis of rate equation show that a fist order reaction does never go to completion. For an elementary reaction A + B rarr C , the rate constant increases 10 times on increasing the temperature from 27^@C by 10 degrees, Find out the activation energy of the reaction.

Show on the basis of rate equation, that a first order reaction does never go to completion.

Knowledge Check

  • In case of first order reaction -

    A
    extent of reaction of the reactant is given by `(1-e^(-kt))`
    B
    Graph obtained by plotting reciprocal of the concentration of reactant against time is a straight line.
    C
    time required for 75% completion of the reaction is thrice the value of `t_(1//2)`
    D
    Pre-exponential factor in Arrhenius equation has an unit of `(time )^(-1)`

  • Value of rate constant of a pseudo first order reaction-

    A
    depends on the concentration of reactants present in small amount
    B
    depends on the concentration of reactants present in excess
    C
    is independent of the concentration of reactants
    D
    depends only on temperature

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    Establish the integrated rate equation for a first order reaction.

    A first order reaction takes 10min to complete 40% of the reaction. Another first order reaction requires 15min to complete 60% of the reaction. Calculate the ratio of the rate constants of the two reactions.

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