MCQ
Which plot of $\ln \mathrm{k}$ vs $\frac{1}{\mathrm{~T}}$ is consistent with Arrhenius equation?
  • A

  • B


  • D

Answer

Correct option: C.

c
The Arrhenius equation is given as

$ k=A e^{-\frac{E_a}{R T}} $

$ \therefore \quad \ln k=\ln A-\frac{E_a}{R T}$

In $\mathrm{kv} / \mathrm{s} \frac{1}{\mathrm{~T}}$ gives a straight line graph with slope $=-\frac{E_a}{R}$ and intercept $=\ln \mathrm{A}$

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