Or you want a quick look:
This is an oxidation-reduction (redox) reaction:
4 FeII - 4 e- → 4 FeIII (oxidation)
2 O + 4 e- → 2 O-II (reduction)
Fe(OH)2 is a reducing agent, O2 is an oxidizing agent.
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Reactants:
- Fe(OH)2 – Iron(II) hydroxide
- Other names: Ferrous hydroxide
- Appearance: Green solid
- H2O – Water, oxidane
- Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide
- Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas
- O2
- Names: Dioxygen , Oxygen , Oxygen (liquefied)
- Appearance: Odourless compressed gas ; Liquefied gas. colourless-to-blue extremely cold liquid
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2 + 2 H2O + O2 → 4 Fe(OH)3 – Balanced equation){kind=link}