Statement I: In zero-order reactions, half-life is half of the completion time of reaction. Statement II: Half-life is half of the time for completion of reaction of any order.

Question

Prashant Kotian · Accepted Answer

Correct answer: C. Statement I is correct: For zero-order reactions, t_(1/2) = [A]0 / 2K and t_completion = [A]0 / K, so t_(1/2) = 0.5 t_completion. Statement II is incorrect because first-order reactions reach completion at t = ∞ while having finite half-lives.

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