Zr + 2 H2O → ZrO2 + 2 H2

This is an oxidation-reduction (redox) reaction:

Zr0 - 4 e- → ZrIV (oxidation)

4 HI + 4 e- → 4 H0 (reduction)

Zr is a reducing agent, H2O is an oxidizing agent.

Reactants:

  • Zr
    • Names: Zirconium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Zr source: wikidata, accessed: 2019-09-07, Element 40 source: wikidata, accessed: 2019-09-07
    • Appearance: Hard lustrous greyish-white flakes or grey amorphous powder source: ICSC, accessed: 2019-09-04
  • 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

Products:

  • ZrO2 – Zirconium dioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Zirconium(IV) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Zirconia source: wikipedia, accessed: 2019-09-27, Baddeleyite source: wikipedia, accessed: 2019-09-27
    • Appearance: White powder 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