FeO (s) + H₂ (g) → Fe (s) + H₂O (l)

This is an oxidation-reduction (redox) reaction:

H₂ is a reducing agent, FeO is an oxidizing agent.

Reactants:

• FeO – Iron(II) oxide
  • Other names: Ferrous oxide , Iron monoxide , Iron oxide ... show moreIron monooxide , Ferrous monoxide , Iron (II) oxide , C.I. 77489 show less
  • Appearance: Black crystals ; Black solid in various forms
• H₂
  • Names: Dihydrogen , Hydrogen , H2 ... show moreH₂ , Molecular hydrogen gas , Hydrogen gas , Hydrogen molecule , Molecular hydrogen show less
  • Appearance: Odourless colourless compressed gas

Products:

• Fe
  • Names: Iron , Fe , Element 26 ... show moreFer , 26Fe , Eisen , Ferrum , Hierro , Carbonyl iron , Electrolytic iron , Ferrum metallicum , Iron powder , Iron, carbonyl , Iron, electrolytic , Iron, elemental , Iron, reduced , Reduced iron show less
• H₂O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas