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Chemical Kinetics Determination of Reaction Order

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If doubling [A] increases the rate fourfold and tripling [A] increases the rate ninefold, the rate is proportional to:

Verified Answer & Explanation⌄

Correct Answer: B) [A]²

Concept Explanation

2² = 4 and 3² = 9, so the reaction is second order with respect to A.

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If doubling [A] increases the rate fourfold... |... | ARMCQS