jee_main_2026_24_january_morning - Chemical Kinetics Topics

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QUESTION #52 Reaction Profile and Energy Diagram
A arrow D is an endothermic reaction occurring in three steps (elementary). (i) A arrow B Δ Hᵢ = +ve (ii) B arrow C Δ Hᵢᵢ = -ve (iii) C arrow D Δ Hᵢᵢᵢ = -ve Which of the following graphs between potential energy (y-axis) vs reaction coordinate (x-axis) correctly represents the reaction profile of A arrow D ?
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QUESTION #66 Arrhenius Equation and Catalyst Effect
At 27°C in presence of a catalyst, activation energy of a reaction is lowered by 10 kJ mol⁻¹. The logarithm ratio of k(catalysed)k(uncatalysed) is (Consider that the frequency factor for both the reactions is same)
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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