Pb (s) + S (s) → PbS (s)

This is an oxidation-reduction (redox) reaction:

Pb0 - 2 e- → PbII (oxidation)

S0 + 2 e- → S-II (reduction)

Pb is a reducing agent, S is an oxidizing agent.

Reactants:

  • Pb
    • Names: Lead source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Lead metal source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Plumbum source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Bluish-white or silvery-grey solid in various forms. turns tarnished on exposure to air source: ICSC, accessed: 2019-09-04; A heavy, ductile, soft, gray solid. source: NIOSH NPG, accessed: 2019-09-02
  • S
    • Names: Sulfur source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, S source: wikidata, accessed: 2019-09-07, Sulphur source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04
    • Appearance: Yellow solid in various forms source: ICSC, accessed: 2019-09-04

Products:

  • PbS
    • Names: Lead(II) sulfide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Plumbous sulfide source: wikipedia, accessed: 2019-09-27, Galena source: wikipedia, accessed: 2019-09-27
    • Appearance: Black source: wikipedia, accessed: 2019-09-27