MCQEasyJEE Main 2025 · 4 April, Shift 2Arrhenius Equation & Activation Energy

Chemistry Question from JEE Main 2025 · 4 April, Shift 2

Consider the following plots of log of rate constant kk (logk\log k) vs 1T\frac{1}{T} for three different reactions. The correct order of activation energies of these reactions is:

Arrhenius plot with vertical axis labeled log k and horizontal axis labeled 1 over T, showing three descending straight lines marked 1, 2, and 3 with different slopes.

Choose the correct answer from the options given below:

  • A

    Ea2>Ea1>Ea3E a_2 > E a_1 > E a_3

  • B

    Ea1>Ea3>Ea2E a_1 > E a_3 > E a_2

  • C

    Ea1>Ea2>Ea3E a_1 > E a_2 > E a_3

  • D

    Ea3>Ea2>Ea1E a_3 > E a_2 > E a_1

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