Question

The elementary steps for the catalyzed decomposition of dinitrogen monoxide are shown below.
N2O(g) + NO(g) N2(g) + NO2(g)
NO2(g) NO(g) + 1/2 O2(g)
Which of the following statements is/are CORRECT?
1/ The overall balanced reaction is N2O(g) N2(g) + 1/2 O2(g).
2/ NO2(g) is a catalyst for the reaction.
3/ NO(g) is a reaction intermediate.
A.1 only
B.2 only
C.3 only
D.1 and 3
E.1, 2, and 3

Answer

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