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Chemical Kinetics Forward and Reverse Activation Energies

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For the exothermic reaction H₂ + Cl₂ → 2HCl, ΔH < 0. If Ef and Er are the forward and reverse activation energies, respectively:

Verified Answer & Explanation⌄

Correct Answer: B) Ef < Er

Concept Explanation

In an exothermic reaction, products lie below reactants in energy, so the reverse activation barrier is larger.

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For the exothermic reaction H₂ + Cl₂ → 2HCl... | Forward… | ARMCQS