Rate laws, order, molecularity, integrated rate equations, Arrhenius equation, collision theory.
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Q1 · Chemical Kinetics (Class 12) · EASY
For a first order reaction, the time required for 75% completion of the reaction is 60 minutes. What is the half-life of this reaction?
Q2 · Chemical Kinetics (Class 12) · MEDIUM
The rate constant of a reaction at 300 K is 2.5 × 10⁻³ s⁻¹ and at 310 K is 5.0 × 10⁻³ s⁻¹. Calculate the activation energy (Ea) for this reaction. (Given: R = 8.314 J mol⁻¹ K⁻¹, log 2 = 0.301)
Q3 · Chemical Kinetics (Class 12) · MEDIUM
For a reaction A + B → Products, the following data were obtained: Experiment | [A] (mol/L) | [B] (mol/L) | Initial rate (mol L⁻¹ s⁻¹) 1 | 0.1 | 0.1 | 2.0 × 10⁻³ 2 | 0.2 | 0.1 | 8.0 × 10⁻³ 3 | 0.1 | 0.2 | 2.0 × 10⁻³ What is the rate law for this reaction?