Question
The reaction of zinc with dilute and concentrated nitric acid, respectively, produces:
-
NO2 and NO
-
NO and N2O
-
NO2 and N2O
-
N2O and NO2
Solution
D.
N2O and NO2
Zn + 4 HNO3 (conc.)→ Zn(NO3)2 + 2H2O + 2NO2
4Zn + 10HNO3 (dil) → 4Zn(NO3)2 + N2O + 5H2O
