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Question
Which of the following equations describes the reaction of copper metal with concentrated nitric acid?
A) 4Cu(s) + 10H3O+(aq) + NO3-(aq) →4Cu2+(aq) + NH4+(aq) + 13H2O(l)
B) 5Cu(s) + 12H3O+(aq) + 2NO3-(aq) →5Cu2+(aq) + N2(g) + 18H2O(l)
C) Cu(s) + 4H3O+(aq) + 2NO3-(aq) →Cu2+(aq) + 2NO2(g) + 6H2O(l)
D) 3Cu(s) + 8H3O+(aq) + 2NO3-(aq) →3Cu2+(aq) + 2NO(g) + 12H2O(l)
E) 4Cu(s) + 10H3O+(aq) + 2NO3-(aq) →4Cu2+(aq) + N2O(g) + 15H2O(l)
Answer
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