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In Arrhenius equation...

In Arrhenius equation

A

The Arrhenius constant has units of rate of reaction

B

The Arrhenius constant has the units of rate constant of reaction

C

If `E_(a)` is high, rate of reaction is slow

D

If `E_(a)` is high, rate of reaction is high

Text Solution

Verified by Experts

The correct Answer is:
B, C
rate `prop(1/(E_(a)))` and `K=A.e^(-E_(a)//RT)`
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Knowledge Check

  • Which of the following statements are correct about the Arrhenius equation?

    A
    The Arrhenius constant becomes equal to rate constant at a very high temperature
    B
    When EA is zero, rate is independent of temperature
    C
    `e^(-E_(a)//RT)` represents the fraction of molecules having energy more than threshold energy
    D
    Positive catalyst increases `E_(a)` of the reaction

  • Which of the following statement is in accordance with the Arrhenius equation ?

    A
    Rate of reaction does not change with increase in activation energy
    B
    Rate of reaction decreases exponentially with increase in temperature
    C
    Rate of a reaction decreases with increase in temperature
    D
    Rate of a reaction increases with decrease in activation energy

  • The Arrhenius equation expressing the effect of temperature on the rate constant of reaction is

    A
    `K=Ea//RT`
    B
    `K=ae^(-Ea//RT)`
    C
    `K="In"(Ea)/(RT)`
    D
    `K=e^(-Ea//RT)`

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