4 Ag + O2 + 8 KCN + 2 H2O → 4 K[Ag(CN)2] + 4 KOH
This is a complexation reaction: K[Ag(CN)2] is the formed complex.
This is an oxidation-reduction (redox) reaction:
4 Ag0 - 4 e- → 4 AgI (oxidation)
2 O0 + 4 e- → 2 O-II (reduction)
Ag is a reducing agent, O2 is an oxidizing agent.
Reactants:
- Ag
- O2
- KCN – Potassium cyanide
- Other names: Potassium cyanide (as CN) , Hydrocyanic acid, potassium salt , Potassium salt of hydrocyanic acid
- Appearance: White crystalline solid | deliquescent ; Hygroscopic crystals or solid in various forms with characteristic odour. odourless when dry ; White, granular or crystalline solid with a faint, almond-like odor.
- H2O – Water, oxidane
Products: