2 C^-IVH₄ + 2 NH₃ + 3 O₂⁰ → 2 HC^IIN + 6 H₂O^-II

This is an oxidation-reduction (redox) reaction:

2 C^-IV - 12 e^- → 2 C^II (oxidation)

6 O⁰ + 12 e^- → 6 O^-II (reduction)

Change the oxidation states

Search by reactants (CH₄, NH₃, O₂)

1.	CH4 + NH3 + O2 → HCN + H2O

Search by products (HCN, H₂O)

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1.	CO + NH3 → HCN + H2O
2.	CH4 + NH3 + O2 → HCN + H2O
3.	HSCN + KMnO4 + H2SO4 → HCN + MnSO4 + K2SO4 + H2O
4.	CuSCN + KIO3 + HCl → ICl + HCN + CuSO4 + KCl + H2O
5.	NaSCN + KMnO4 + H2SO4 → HCN + Na2SO4 + MnSO4 + K2SO4 + H2O
6.	CH4 + NO → HCN + H2 + H2O
7.	Cu(SCN) + KIO3 + HCl → ICl + Cu(SO4) + HCN + KCl + H2O
8.	CHNS + KMnO4 + H2SO4 → HCN + MnSO4 + K2SO4 + H2O
9.	HCNS + KMnO4 + H2SO4 → HCN + MnSO4 + K2SO4 + H2O
10.	KSCN + H2O2 + HNO3 → HCN + NO + K2SO4 + O2 + H2O
1 2

Search by reactants (CH₄, NH₃, O₂) and by products (HCN, H₂O)

1.	CH4 + NH3 + O2 → HCN + H2O