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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2005

  • question_answer
    The rate constant is given by the equation \[k=PZ{{e}^{-E/RT}},\] which factor should register a decrease for the reaction to proceed more rapidly?

    A)  \[T\]                                    

    B)  \[Z\]

    C)  \[E\]                                    

    D)  \[P\]

    Correct Answer: C

    Solution :

    From Arrhenius equation \[k=AZ{{e}^{-{{E}_{a}}/RT}}\]where, A is = frequency factor \[{{E}_{a}}\]= energy of activation\[{{e}^{-{{E}_{a}}/RT}}=\]Boltzmann factor A decrease in activation energy \[({{E}_{a}})\] will increase rate constant (k) and rate of reaction increase.


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