4 Fe(OH)2 + 2 H2O + O2 → 4 Fe(OH)3 – Balanced equation

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)2Iron(II) hydroxide
    • Other names: Ferrous hydroxide
    • Appearance: Green solid
  • H2OWater, 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

Products:

  • Fe(OH)3
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