Question:

Consider the following transformation involving first-order elementary reaction in each step at constant temperature as shown below: \[ \text{A} + \text{B} \xrightarrow{\text{Step 1}} \text{C} \xrightarrow{\text{Step 2}} \text{P}\] Some details of the above reaction are listed below:
If the overall rate constant of the above transformation (\(k\)) is given as \(k = \frac{k_1 k_2}{k_3}\) and the overall activation energy (\(E_a\)) is \(400 \, \text{kJ mol}^{-1}\), then the value of \(E_{a3}\) is ______ \( \text{kJ mol}^{-1} \) (nearest integer).

Updated On: Nov 17, 2024
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Correct Answer: 100

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