Consider a complex reaction taking place in three steps with rate constants k₁, k₂ and k₃ respectively. The overall rate constant k is given by the expression k = √(k₁k₃/k₂). If the activation energies of the three steps are 60, 30 and 10 kJ mol ⁻¹ respectively, then the overall energy of activation in kJ mol ⁻¹ is _ _ _. (Nearest integer)

Chemical Kinetics: JEE Main 2025 Chemistry question

JEE Main 2025 · 24 Jan, Evening shift · Q71

JEE Main 202524 Jan, Evening shiftChemistryHardChemical Kinetics62× since 2002

Consider a complex reaction taking place in three steps with rate constants

k_1

k_2

and

k_3

respectively. The overall rate constant k is given by the expression

k = \sqrt{\frac{k_1k_3}{k_2}}

. If the activation energies of the three steps are 60, 30 and 10 kJ mol

^{-1}

respectively, then the overall energy of activation in kJ mol

^{-1}

is ______. (Nearest integer)

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2025 Chemical Kinetics Question with Solution (24 Jan Evening shift, Q71) | JEE Arc