Problem: Which of the following statements is/are correct?I According to the Arrhenius equation, the activation energy of a reaction increases as the temperature of the reaction increases.II In the Arrhenius equation, the frequency factor is a unitless number.III In a multistep mechanism, the overall rate-law expression reflects the rate-law expressions for steps that occur after the rate-determining step.A. All statements are correctB. Only statements I and II are correctC. Only statements I and III are correctD. Only statement II and III is correctE. All statements are incorrect

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For this problem, we are being asked to determine which of the following statements is/are correct

The Arrhenius Equation shows the dependence of the rate constant on the pre-exponential factor, absolute temperature and activation energy of the reaction.


ln k=-EaR 1T + ln A


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Problem Details

Which of the following statements is/are correct?

I According to the Arrhenius equation, the activation energy of a reaction increases as the temperature of the reaction increases.

II In the Arrhenius equation, the frequency factor is a unitless number.

III In a multistep mechanism, the overall rate-law expression reflects the rate-law expressions for steps that occur after the rate-determining step.

A. All statements are correct

B. Only statements I and II are correct

C. Only statements I and III are correct

D. Only statement II and III is correct

E. All statements are incorrect

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