Chemistry · Chemical Kinetics

JEE Main 2026 — 22 January, Evening Shift — Question 51

Correct statements regarding Arrhenius equation among the following are :

(A) Factor e−Ea/RT\mathrm{e}^{-\mathrm{Ea} / \mathrm{RT}} corresponds to fraction of molecules having kinetic energy less than Ea.

(B) At a given temperature, lower the Ea, faster is the reaction.

(C) Increase in temperature by about 10∘C10^{\circ} \mathrm{C} doubles the rate of reaction.

(D) Plot of log⁡k\log \mathrm{k} vs 1 T\frac{1}{\mathrm{~T}} gives a straight line with slope =−EaR=-\frac{\mathrm{Ea}}{\mathrm{R}}.

Choose the correct answer from the options given below:

  1. Option A:

    B and D only

    Correct
  2. Option B:

    A and B only

  3. Option C:

    A and C only

  4. Option D:

    B and C only

Answer: A

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Exam
JEE Main 2026
Subject
Chemistry
Chapter
Chemical Kinetics
Topic
Arrhenius Equation
Correct statements regarding Arrhenius equation among the following… | JEE Main 2026 PYQ with Solution · DhiX AI