In Arrhenius equation- k-Ae -E a - RT A- may not be termed as rate constant -

The correct option is C at very low temperatureAt Very Low Temperature , 1T tends to Infinity and so, The A will not be equal to the rate constant.So Opt ...

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Standard XII

Chemistry

Rate Constant

In Arrhenius ...

Question

In Arrhenius equation, $k = A e^{\frac{{- E}_{a}}{R T}}$ A, may not be termed as rate constant :

when

100 %

reactant will convert into the product

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when the temperature becomes infinite

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when the fraction of molecule crossing over the energy barrier becomes unity

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at very low temperature

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Solution

The correct option is C at very low temperature
At Very Low Temperature , $\frac{1}{T}$ tends to Infinity and so, The A will not be equal to the rate constant.

So Option D is correct

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Similar questions

Q. In Arrhenius equation,

k = A e^{- E_{a} / R T}

. A may be termed as the rate constant at:

Q. In the Arrhenius equation,

k = A e^{- E_{a} / R T}

, the rate constant

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becomes equal to the Arrhenius constant

(A)

, when:

Q. The temperature dependence of rate constant

(k)

of a chemical reaction is written in terms of Arrhenius equation,

k = A e^{- E_{a} / R T}

. Activation energy

(E_{a})

of the reaction can be calculated by plotting:

Q. In term of Arrhenius equation,

k = A e^{- E_{a} / R T}

the temperature dependence of rate constant

(k)

of a chemical reaction is written. Then, the activation energy

(E_{a})

of the reaction can be calculated by plotting:

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A e x p^{- E_{a} / R T}

. At zero activation energy or infinite temperature,

A

may be termed as:

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In Arrhenius equation, k=Ae−EaRT A, may not be termed as rate constant :

The correct option is C at very low temperatureAt Very Low Temperature , 1T tends to Infinity and so, The A will not be equal to the rate constant.So Option D is correct

In Arrhenius equation, $k = A e^{\frac{{- E}_{a}}{R T}}$ A, may not be termed as rate constant :

The correct option is C at very low temperature
At Very Low Temperature , $\frac{1}{T}$ tends to Infinity and so, The A will not be equal to the rate constant.

So Option D is correct