The number of correct statement/s from the following is ______. A. Larger the activation energy, smaller is the value of the rate constant. B. The higher is the activation energy, higher is the value of the temperature coefficient. C. At lower temperat

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Solution

Q.
The number of correct statement/s from the following is ______.

A. Larger the activation energy, smaller is the value of the rate constant.

B. The higher is the activation energy, higher is the value of the temperature coefficient.

C. At lower temperature, increase in temperature causes more change in the value of k than at higher temperature.

D. A plot of ln k vs $\frac{1}{T}$ is a straight line with slope equal to $- \frac{E_{a}}{R}$ . [2023]

Ans.
(4)

A. Larger the activation energy, smaller is the value of the rate constant $\Rightarrow$ true statement.

B. The higher is the activation energy, higher is the value of the temperature coefficient $\Rightarrow$ true statement.

D. $\ln k = \ln A - (\frac{E_{a}}{R}) \frac{1}{T}$ Slope $= - (\frac{E_{a}}{R})$

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