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A Proposed Mechanism for the Decomposition of N2O5 Is as Follows

Question 93

Multiple Choice

A proposed mechanism for the decomposition of N2O5 is as follows:
N2O5 A proposed mechanism for the decomposition of N<sub>2</sub>O<sub>5</sub> is as follows: N<sub>2</sub>O<sub>5</sub> NO<sub>2</sub> + NO<sub>3</sub> Slow step NO<sub>2</sub> + NO<sub>3</sub> NO<sub>2</sub> + O<sub>2</sub> + NO Fast step NO + N<sub>2</sub>O<sub>5</sub> 3NO<sub>2</sub> Fast step What is the overall chemical equation predicted by this mechanism? A) N<sub>2</sub>O<sub>5</sub> + NO<sub>2</sub> + NO<sub>3</sub> → 4NO<sub>2</sub> + O<sub>2</sub> B) N<sub>2</sub>O<sub>5</sub> + NO → 3NO<sub>2</sub> C) 2N<sub>2</sub>O<sub>5</sub> → 4NO<sub>2</sub> + O<sub>2</sub> D) N<sub>2</sub>O<sub>5</sub> → NO<sub>2</sub> + NO<sub>3</sub> E) N<sub>2</sub>O<sub>5</sub> → NO<sub>2</sub> + O<sub>2</sub> + NO
NO2 + NO3
Slow step
NO2 + NO3 A proposed mechanism for the decomposition of N<sub>2</sub>O<sub>5</sub> is as follows: N<sub>2</sub>O<sub>5</sub> NO<sub>2</sub> + NO<sub>3</sub> Slow step NO<sub>2</sub> + NO<sub>3</sub> NO<sub>2</sub> + O<sub>2</sub> + NO Fast step NO + N<sub>2</sub>O<sub>5</sub> 3NO<sub>2</sub> Fast step What is the overall chemical equation predicted by this mechanism? A) N<sub>2</sub>O<sub>5</sub> + NO<sub>2</sub> + NO<sub>3</sub> → 4NO<sub>2</sub> + O<sub>2</sub> B) N<sub>2</sub>O<sub>5</sub> + NO → 3NO<sub>2</sub> C) 2N<sub>2</sub>O<sub>5</sub> → 4NO<sub>2</sub> + O<sub>2</sub> D) N<sub>2</sub>O<sub>5</sub> → NO<sub>2</sub> + NO<sub>3</sub> E) N<sub>2</sub>O<sub>5</sub> → NO<sub>2</sub> + O<sub>2</sub> + NO
NO2 + O2 + NO
Fast step
NO + N2O5 A proposed mechanism for the decomposition of N<sub>2</sub>O<sub>5</sub> is as follows: N<sub>2</sub>O<sub>5</sub> NO<sub>2</sub> + NO<sub>3</sub> Slow step NO<sub>2</sub> + NO<sub>3</sub> NO<sub>2</sub> + O<sub>2</sub> + NO Fast step NO + N<sub>2</sub>O<sub>5</sub> 3NO<sub>2</sub> Fast step What is the overall chemical equation predicted by this mechanism? A) N<sub>2</sub>O<sub>5</sub> + NO<sub>2</sub> + NO<sub>3</sub> → 4NO<sub>2</sub> + O<sub>2</sub> B) N<sub>2</sub>O<sub>5</sub> + NO → 3NO<sub>2</sub> C) 2N<sub>2</sub>O<sub>5</sub> → 4NO<sub>2</sub> + O<sub>2</sub> D) N<sub>2</sub>O<sub>5</sub> → NO<sub>2</sub> + NO<sub>3</sub> E) N<sub>2</sub>O<sub>5</sub> → NO<sub>2</sub> + O<sub>2</sub> + NO
3NO2
Fast step
What is the overall chemical equation predicted by this mechanism?


A) N2O5 + NO2 + NO3 → 4NO2 + O2
B) N2O5 + NO → 3NO2
C) 2N2O5 → 4NO2 + O2
D) N2O5 → NO2 + NO3
E) N2O5 → NO2 + O2 + NO

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