Arrhenius Equation & Activation Energy: JEE Questions & Solutions

Pre-exponential factors of two different reactions of same order are identical. Let activation energy of first reaction exceed the…

The temperature at which the rate constants of the given below two gaseous reactions become equal is K (Nearest integer). X → Y, k₁ = 10⁶…

Correct statements regarding the Arrhenius equation among the following are: A. Factor e^(-Eₐ/RT) corresponds to the fraction of molecules…

Consider 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…

At 27^° C, in presence of a catalyst, activation energy of a reaction is lowered by 10 kJ mol⁻¹. The logarithm of the ratio…

Consider the following two first-order reactions: A → B (first reaction) C → D (second reaction) The rate constant for first reaction at…

The 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…

Consider the given figure and choose the correct option:

Consider a complex reaction taking place in three steps with rate constants k₁, k₂, and k₃ respectively. The overall rate constant k is…

Consider the following statements related to temperature dependence of rate constants. Identify the correct statements, A. The Arrhenius…

For 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…

Consider the following plots of log of rate constant k (log k) vs 1/T for three different reactions. The correct order of activation…

A → 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…

The number of the given statements which is/are correct is. (A) The stronger the temperature dependence of the rate constant, the higher is…

For a reversible reaction A ⇌ B, the Δ H_(forward reaction) = 20 kJ mol⁻¹. The activation energy of the uncatalysed forward reaction is 300…