Zn3N2 + 6KOH + 6H2O= 3K2[Zn(OH)4] +2NH3
K2[Zn(OH)4] +4HNO3 = 2KNO3 + Zn(NO3)2 +4H2O
NH3+HNO3 = NH4NO3
2KNO3 = 2KNO2 + O2
N(+5) +2e = N(+3) |2
2O(-2) -4e = O2(0) |1
2Zn(NO3)2 = 2ZnO + O2 + 4NO2
N(+5) +1e = N(+4) |4
2O(-2) -4e = O2(0) |1
NH4NO3 = N2O +2H2O
N(+5) +4e = N(+1) |4
N(-3) - 4e = N(+1) |1