JEE Chemistry
Arrhenius Equation & Activation Energy: JEE Questions & Solutions
15 previous-year JEE Chemistry questions on Arrhenius Equation & Activation Energy, each with a worked step-by-step solution.
Previous-year questions
- 01Pre-exponential factors of two different reactions of same order are identical. Let activation energy of first reaction exceed the…NVAEasyJEE 2026
- 02The temperature at which the rate constants of the given below two gaseous reactions become equal is K (Nearest integer). X → Y, k₁ = 10⁶…NVAEasyJEE 2026
- 03Correct statements regarding the Arrhenius equation among the following are: A. Factor e^(-Eₐ/RT) corresponds to the fraction of molecules…MCQMediumJEE 2026
- 04Consider A → k₁ B and C → k₂ D are two reactions. If the rate constant (k₁) of the A → B reaction can be expressed by the following…NVAMediumJEE 2026
- 05At 27^° C, in presence of a catalyst, activation energy of a reaction is lowered by 10 kJ mol⁻¹. The logarithm of the ratio…MCQMediumJEE 2026
- 06Consider the following two first-order reactions: A → B (first reaction) C → D (second reaction) The rate constant for first reaction at…NVAMediumJEE 2026
- 07The molecule A changes into its isomeric form B by following a first order kinetics at a temperature of 1000 K. If the energy barrier with…NVAMediumJEE 2025
- 08Consider the given figure and choose the correct option:MCQEasyJEE 2025
- 09Consider a complex reaction taking place in three steps with rate constants k₁, k₂, and k₃ respectively. The overall rate constant k is…NVAMediumJEE 2025
- 10Consider the following statements related to temperature dependence of rate constants. Identify the correct statements, A. The Arrhenius…MCQEasyJEE 2025
- 11For A₂+B₂ ⇌ 2AB Eₐ for forward and backward reaction are 180 kJ mol⁻¹ and 200 kJ mol⁻¹ respectively. If catalyst lowers Eₐ for both…MCQEasyJEE 2025
- 12Consider the following plots of log of rate constant k (log k) vs 1/T for three different reactions. The correct order of activation…MCQEasyJEE 2025
- 13A → B The rate constants of the above reaction at 200 K and 300 K are 0.03 min⁻¹ and 0.05 min⁻¹ respectively. The activation energy for the…NVAEasyJEE 2023
- 14The number of the given statements which is/are correct is. (A) The stronger the temperature dependence of the rate constant, the higher is…NVAMediumJEE 2023
- 15For a reversible reaction A ⇌ B, the Δ H_(forward reaction) = 20 kJ mol⁻¹. The activation energy of the uncatalysed forward reaction is 300…NVAMediumJEE 2023
Frequently asked questions
Our bank has 15 previous-year JEE Chemistry questions tagged to Arrhenius Equation & Activation Energy, drawn from JEE papers between 2023 and 2026, including 6 from 2026 alone. Each comes with a full step-by-step solution.
Arrhenius Equation & Activation Energy is rated Advanced overall for JEE Chemistry. The PYQs on this page break down as 8 medium, 7 easy.
Of the 15 previous-year questions on Arrhenius Equation & Activation Energy, 6 are multiple-choice (MCQ) and 9 are numerical-value (NVA) questions.
Based on recent paper analysis, Arrhenius Equation & Activation Energy is worth about 1 mark in JEE Main. It sits in Chemical Kinetics, a Class 12 Chemistry chapter.
More Chemical Kinetics topics
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