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In the presence of a catalyst, the activ...

In the presence of a catalyst, the activation energy is lowered by 3 Kcal at `27^(@)`c .Hence the rate of reaction will increase by :

A

32 times

B

243 times

C

2 times

D

148 times

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • In the presence of a catalyst, the activation energy of a reaction is lowered by 2 kcal at 27^(@)C . The rate of reaction will increase by

    A
    2 times
    B
    14 times
    C
    28 times
    D
    20 times

  • In the presence of catalyst, the activation energy of the reaction is lowered by 2 kcal at 27^(@)C . The rate of reaction will increased by

    A
    2 times
    B
    4 times
    C
    28 times
    D
    20 times

  • In the presence of a catalyst, activation energy of a reaction is lowered by 2 kcal at 27^(@) C. Hence, rate will be:

    A
    20 times
    B
    28 times
    C
    14 times
    D
    Remain time

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    The activation energy of a first order reaction at 300 K is kJ mol^(-1) . In the presence of a catalyst, the activation energy gets lowered to 50kJ mol^(-1) at 300 K . How many times the reaction rate change in the presence of a catalyst at the same temperature ?

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