3 PbO2 + 4 BrF3 → 3 PbF4 + 2 Br2 + 3 O2

This is an oxidation-reduction (redox) reaction:

4 BrIII + 12 e- → 4 Br0 (reduction)

6 O-II - 12 e- → 6 O0 (oxidation)

BrF3 is an oxidizing agent, PbO2 is a reducing agent.

Reactants:

  • PbO2 – Lead(IV) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Lead dioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Plumbic oxide source: wikipedia, accessed: 2019-09-27, Plattnerite source: wikipedia, accessed: 2019-09-27, Lead peroxide source: ICSC, accessed: 2019-09-04
    • Appearance: Dark-brown, black powder source: wikipedia, accessed: 2019-09-27; Brown crystals or powder source: ICSC, accessed: 2019-09-04
  • BrF3
    • Names: Bromine trifluoride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: Straw-coloured liquid | hygroscopic source: wikipedia, accessed: 2019-09-27

Products:

  • PbF4 – Tetrafluoroplumbane source: wikipedia, accessed: 2019-09-27
    • Other names: Lead tetrafluoride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-03, Lead(IV) fluoride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-03, Tetrafluoridolead source: wikipedia, accessed: 2019-09-27
    • Appearance: White to beige crystals source: wikipedia, accessed: 2019-09-27
  • Br2
    • Names: Bromine source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Molecular bromine source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Fuming red-to-brown liquid with pungent odour source: ICSC, accessed: 2019-09-04; Dark reddish-brown, fuming liquid with suffocating, irritating fumes. source: NIOSH NPG, accessed: 2019-09-02
  • 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