how-do-oxidation-numbers-of-each-element-of-the-following-reactions-change-1-ag-

Question

How do oxidation numbers of each element of the following reactions change?
1. Ag(s) + CN^-(aq) + O₂(g) → Ag(CN)₂^-(aq) + H₂O(l)
2. NaI(aq) + 3HOCl(aq) → NaIO₃(aq) + 3HCl(aq).

Accepted Answer

1.Ag: 0 → –1O: 0 → –2C and N: no change2.I: +1 → +5Cl: +1 → –1Na, H, and O: no change

Answer

1.Ag: 0 → –1O: +1 → –2C: +4 → –1N: no change2.I: +1 → +5O: +2 → –2Cl: +1 → –1Na and H: no change

Answer

1.Ag: 0 → –1O: 0 → –2C and N: no change2.Na: 0 → +1I: +1 → +5Cl: +1 → –1H and O: no change

Answer

1.Ag: 0 → –1O: +1 → –2C: +4 → –1N: no change2.I: +1 → +5Cl: +1 → –1Na, H, and O: no change