Chemical Kinetics Question 335

Question: The slope in Arrhenius plot, is equal to:

Options:

A) $ -\frac{E_{a}}{2.303R} $

B) $ \frac{E_{a}}{R} $

C) $ -\frac{R}{2.303E_{a}} $

D) None of these

Show Answer

Answer:

Correct Answer: A

Solution:

[a] Arrhenius equation is given by $ k=A{e^{-E_{a}}}^{/RT} $ Taking log on both sides, we get $ \log k=logA-\frac{E_{a}}{2.303RT} $ Arrhenius plot a graph between log k and $ \frac{1}{T} $ whose slope is $ \frac{-E_{a}}{2.303R}. $



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