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Verified Answer & Explanation⌄

Correct Answer: D) -⅓ d[C]/dt

Concept Explanation

For 2A + B → 3C + D, rate = −(1/2)d[A]/dt = −d[B]/dt = +(1/3)d[C]/dt = d[D]/dt. Therefore, −(1/3)d[C]/dt has the wrong sign.

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