CrO42- + H2 + 2 (Ag)2+ → Ag2CrO4 + 2 (H)+

This is an oxidation-reduction (redox) reaction:

2 AgII + 2 e- → 2 AgI (reduction)

2 H0 - 2 e- → 2 HI (oxidation)

Ag2+ is an oxidizing agent, H2 is a reducing agent.

Reactants:

  • CrO42-
    • 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
    • Ag2+

    Products:

    • Ag2CrO4
      • Names: Silver chromate source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02, Silver(I) chromate source: wikidata, accessed: 2019-09-02
      • Appearance: Brown-red powder source: wikipedia, accessed: 2019-09-28
    • H+