15 NO3- + FeS2 + 14 H+ (Fe)3+ + 2 SO42- + 15 NO2 + 7 H2O

This is an oxidation-reduction (redox) reaction:

2 S-I - 14 e- 2 SVI (oxidation)

15 NV + 15 e- 15 NIV (reduction)

FeII - 1 e- FeIII (oxidation)

FeS2 is a reducing agent, NO3- is an oxidizing agent, FeS2 is a reducing agent.

Reactants:

  • NO3-Nitrate source: wikipedia, accessed: 2019-09-27
    • Other names: Nitrate ion source: wikidata, accessed: 2019-09-07, NO3(-) source: wikidata, accessed: 2019-09-07, [NO3](-) source: wikidata, accessed: 2019-09-07
  • FeS2
    • Names: Ferrous disulfide source: wikidata, accessed: 2019-09-02, Fool's gold source: wikidata, accessed: 2019-09-02, Iron disulfide source: wikidata, accessed: 2019-09-02
  • H+

Products:

  • Fe3+
  • SO42-Sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07
    • Other names: Sulfate ion source: wikidata, accessed: 2019-09-07, Sulphate ion source: wikidata, accessed: 2019-09-07, Sulphate source: wikidata, accessed: 2019-09-07
  • NO2Nitrogen dioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Nitrogen(IV) oxide source: wikipedia, accessed: 2019-09-27, Deutoxide of nitrogen source: wikipedia, accessed: 2019-09-27, Nitrogen peroxide source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Brown gas source: wikipedia, accessed: 2019-09-27; Reddish-brown gas or brown or yellow liquid with pungent odour source: ICSC, accessed: 2019-09-04; Yellowish-brown liquid or reddish-brown gas (above 70°F) with a pungent, acrid odor. [Note: In solid form (below 15°F) it is found structurally as N2O4.] source: NIOSH NPG, accessed: 2019-09-02
  • H2OWater, 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