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J & K CET Engineering J and K - CET Engineering Solved Paper-2005

  • question_answer
    The reason for almost doubling the rate of reaction on increasing the temperature of the reaction system by \[10{{\,}^{o}}C\]is

    A)  the value of threshold energy increases

    B)  collision frequency increases

    C)  the fraction of the molecule having energy equal to threshold energy increases

    D)  activation energy decreases

    Correct Answer: B

    Solution :

     On increasing the temperature the kinetic energy of the reacting molecules increases and hence, number of collision increases. So that rate of reaction will also be increased.


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