SnS (s) + 2 O2 (g) → SnO (s) + SO3 (l)

This is an oxidation-reduction (redox) reaction:

S-II - 8 e- → SVI (oxidation)

4 O0 + 8 e- → 4 O-II (reduction)

SnS is a reducing agent, O2 is an oxidizing agent.

Reactants:

  • SnS – Tin(II) sulfide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Tin monosulfide source: wikipedia, accessed: 2019-09-27, Herzenbergite source: wikipedia, accessed: 2019-09-27
    • Appearance: Dark brown solid source: wikipedia, accessed: 2019-09-27
  • O2
    • Names: Dioxygen source: wikidata, accessed: 2019-09-07, Oxygen source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07, Oxygen (liquefied) source: ICSC, accessed: 2019-09-04
    • Appearance: Odourless compressed gas source: ICSC, accessed: 2019-09-04; Liquefied gas. colourless-to-blue extremely cold liquid source: ICSC, accessed: 2019-09-04

Products:

  • SnO – Tin(II) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Stannous oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Tin monoxide source: wikipedia, accessed: 2019-09-27source: ICSC, accessed: 2019-09-04, Tin(ii) oxide source: ICSC, accessed: 2019-09-04
    • Appearance: Black or red powder when anhydrous, white when hydrated source: wikipedia, accessed: 2019-09-27; Blue-to-black crystalline powder source: ICSC, accessed: 2019-09-04; Brownish-black powder. source: NIOSH NPG, accessed: 2019-09-02
  • SO3 – Sulfur trioxide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Sulfonylideneoxidane source: wikipedia, accessed: 2019-09-28
    • Other names: Sulfuric anhydride source: wikipedia, accessed: 2019-09-28, Sulfur(VI) oxide source: wikipedia, accessed: 2019-09-28, SO3 source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless to white crystalline solid which will fume in air.{{ source: wikipedia, accessed: 2019-09-28; Fuming hygroscopic colourless liquid or colourless-to-white crystals source: ICSC, accessed: 2019-09-04