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2N2O5 → 4NO2 + O2 From the unit of rate constant, it is clear that the reaction follows first order kinetics. Hence, by rate law equation, r = k [N2O5]

1. The reaction follows first order kinetics.
2. By rate law equation, r = k [N2O5]
3. The rate constant is proportional to [N2O5].
4. The reaction is independent of [N2O5].

Correct answer: The reaction follows first order kinetics.

Solution

The reaction follows first-order kinetics, as stated in the question, and this is consistent with the rate law equation provided. Hence, option A is correct.

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