Which does not affect the rate of a reaction?

Nature of the reactants

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Time

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Concentrations

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Surface area exposed

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Temperature

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Solution

The correct option is A Time
Time does not affect the rate of a reaction. Hence, in the rate law expression $r a t e = k [A]^{n}$ , there is no term for time.
Nature of the reactants, Concentrations, surface area exposed and temperature affects the rate of a reaction.

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Which of the following does NOT affect the rate of a chemical reaction?

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