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Part A Given the following proposed mechanism, predict the rate law for the overall reaction. 2...

Part A

Given the following proposed mechanism, predict the rate law for the overall reaction.

2 NO2 + Cl2 → 2 NO2Cl (overall reaction)

Mechanism
NO2 + Cl2 → NO2Cl + Cl slow
NO2 + Cl → NO2Cl fast

Given the following proposed mechanism, predict the rate law for the overall reaction.

2 NO2 + Cl2 → 2 NO2Cl (overall reaction)

Mechanism
NO2 + Cl2 → NO2Cl + Cl slow
NO2 + Cl → NO2Cl fast

Answer Choices:

Rate = k[NO2Cl]2
Rate = k[NO2]2[Cl2]
Rate = k[NO2][Cl2]
Rate = k[NO2Cl][Cl]
Rate = k[NO2]2[Cl]2
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Answer #1

rate of reaction depends on the slow step of reaction.The slow step is also called as rate determining step.In this mechanism of reaction first step is slow hence rate of overall reaction depends on the reactants in slow step of reaction.

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