2 H2 + Cu3(PO4)2 → 3 Cu + 2 H2PO4

This is an oxidation-reduction (redox) reaction:

2 PV - 2 e- → 2 PVI (oxidation)

3 CuII + 6 e- → 3 Cu0 (reduction)

4 H0 - 4 e- → 4 HI (oxidation)

Cu3(PO4)2 is a reducing agent, Cu3(PO4)2 is an oxidizing agent, H2 is a reducing agent.

Reactants:

  • 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
  • Cu3(PO4)2 – Copper(II) phosphate source: wikipedia, accessed: 2019-09-27
    • Other names: Tricopper diphosphate source: wikipedia, accessed: 2019-09-27, Tricopper bis(orthophosphate) source: wikipedia, accessed: 2019-09-27, Cupric phosphate source: wikidata, accessed: 2019-09-02
    • Appearance: Light bluish-green powder (anhydrous) | blue or olive crystals (trihydrate) source: wikipedia, accessed: 2019-09-27

Products:

  • Cu
    • Names: Copper source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Copper (dusts and mists, as Cu) source: NIOSH NPG, accessed: 2019-09-02, Cu source: wikidata, accessed: 2019-09-07
    • Appearance: Solid in various forms. turns green on exposure to moist air source: ICSC, accessed: 2019-09-04; Reddish, lustrous, malleable, odorless solid. source: NIOSH NPG, accessed: 2019-09-02
  • H2PO4