S⁰+HN⁺⁵O₃→H₂S⁺⁶O₄+N⁺⁴O₂+H₂O
S⁰-6e⁻→S⁺⁶ 6 1
6
N⁺⁵+e⁻→N⁺⁴ 1 6
S+6HNO₃=H₂SO₄+6NO₂+2H₂O
KMn⁺⁷O₄+HN⁺³O₂+H₂SO₄→Mn⁺²SO₄+K₂SO₄+HN⁺⁵O₃+H₂O
Mn⁺⁷+5e⁻→Mn⁺² 5 2
10
N⁺³-2→N⁺⁵ 2 5
2KMnO₄+5HNO₂+H₂SO₄=2MnSO₄+K₂SO₄+5HNO₃+3H₂O
KMn⁺⁷O₄+Na₂S⁺⁴O₃+NaOH→K₂Mn⁺⁵O₄+Na₂MnO₄+Na₂S⁺⁶O₄+
+H₂O
Mn⁺⁷+2e⁻→Mn⁺⁵ 2 1
S⁺⁴-2e⁻→S⁺⁶ 2 1
2KMnO₄+Na₂SO₃+2NaOH=K₂MnO₄+Na₂MnO₄+Na₂SO₄+H₂O
P⁰+Cl₂⁰→P⁺⁵CI₅⁻
P⁰-5e⁻→P⁺⁵ 5 2
10
2Cl⁰+2xe⁻→2CI⁻ 2 5
2P+2Cl₂=2PCI₅
