Chemistry · Chemical Kinetics
For the elementary reaction K + Br2 → KBr + Br, the rate constant can be described by the Arrhenius expression. Choose the correct option regarding the activation energy (Ea) and the pre-exponential factors (AE obtained from experiment, and AT estimated using collision theory).
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- 1Ea > 0; AT > AE
- 2Ea AE
- 3Ea = 0; AT < AE✓
- 4Ea ≥ 0; AT > AE
Correct answer
Ea = 0; AT < AE
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