NEET 2024 — Chemistry solution

NEET2024Chemistry

Activation energy of any chemical reactions can be calculated if one knows the value of

A
Orientation of reactant molecules during collision.
B
Rate constant at two different temperatures.
C
Rate constant at standard temperatures.
D
Probability of collision.

Solution

From the integrated Arrhenius equation, knowing $k$ at two temperatures lets you solve for $E_{a}$ : $ln \frac{k _{2}}{k _{1}} = \frac{E _{a}}{R} (\frac{1}{T _{1}} - \frac{1}{T _{2}})$ .

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