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AP® Chemistry

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Moderate

Gas Phase Rate Law

APCHEM-QULI1L

$$NO \longrightarrow N_2O + NO_2$$

$$\text{Rate} = k[NO]_2$$

Based on the above unbalanced reaction in the gas phase with corresponding rate law, which of the following is TRUE?

A

The reaction is classified as a simple unimolecular elementary reaction since the rate law matches the reaction.

B

The reaction occurs in more than one elementary step because the rate law does not match the stoichiometry of the reaction.

C

The overall rate law cannot be determined without the use of the correct catalyst and identification of alternate pathways.

D

There are no intermediates formed during the reaction due to the simple, one-step nature of the reaction.