Chemical Kinetics
Rate laws, order and molecularity, Arrhenius equation, half-life.
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Take a full mock →Q1 · Chemical Kinetics · EASY
The order of a chemical reaction is:
Q2 · Chemical Kinetics · MEDIUM
The half-life of a first-order reaction is:
Q3 · Chemical Kinetics · EASY
According to the Arrhenius equation, increasing temperature will:
Q4 · Chemical Kinetics · MEDIUM
For a reaction A → B, the rate constant k at 300 K is 2.5 × 10⁻³ s⁻¹ and at 310 K is 5.0 × 10⁻³ s⁻¹. What is the activation energy (Ea) for this reaction? (R = 8.314 J mol⁻¹ K⁻¹, ln 2 = 0.693)
Q5 · Chemical Kinetics · MEDIUM
A reaction has a rate law: Rate = k[A]²[B]. If the concentration of A is doubled while keeping B constant, and then the concentration of B is tripled while keeping the new concentration of A constant, by what factor does the overall rate change compared to the initial rate?