Complete the following balanced equations for reactions in (ii) and (iii) by clicking and dropping correct answer.
i) 3Zn(s) + 8 ___ H2NO (g)→3Zn (N3O2) + 4H2O(g) + 2NO(g)
1                          8                      3
ii) CUO + 2HNO2→CU (N3O2) +
CO2
H2
H2O