MoO3 + 3 H2 → Mo + 3 H2O

This is an oxidation-reduction (redox) reaction:

MoVI + 6 e- → Mo0 (reduction)

6 H0 - 6 e- → 6 HI (oxidation)

MoO3 is an oxidizing agent, H2 is a reducing agent.

Reactants:

  • MoO3 – Molybdenum trioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Molybdic anhydride source: wikipedia, accessed: 2019-09-27, Molybdite source: wikipedia, accessed: 2019-09-27, Molybdic trioxide source: wikipedia, accessed: 2019-09-27
    • Appearance: Yellow or light blue solid source: wikipedia, accessed: 2019-09-27
  • H2
    • Names: Dihydrogen source: wikidata, accessed: 2019-09-07, Hydrogen source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07, H2 source: wikidata, accessed: 2019-09-07
    • Appearance: Odourless colourless compressed gas source: ICSC, accessed: 2019-09-04

Products:

  • Mo
    • Names: Molybdenum source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Mo source: wikidata, accessed: 2019-09-07, Element 42 source: wikidata, accessed: 2019-09-07
    • Appearance: Silver-white lustrous metal or dark grey powder source: ICSC, accessed: 2019-09-04; Dark gray or black powder with a metallic luster. source: NIOSH NPG, accessed: 2019-09-02
  • H2O – Water, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27