8 HN3 (l) + Br2 (aq) 2 NH4Br (aq) + 11 N2 (g)

This is an oxidation-reduction (redox) reaction:

2 Br0 + 2 e- 2 Br-I (reduction)

22 N-1/3 - 22/3 e- 22 N0 (oxidation)

2 N-1/3 + 16/3 e- 2 N-III (reduction)

Br2 is an oxidizing agent, HN3 is a reducing agent, HN3 is an oxidizing agent.

Reactants:

  • HN3Hydrogen azide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Hydrazoic acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, N3H source: wikidata, accessed: 2019-09-02, [NNNH] source: wikidata, accessed: 2019-09-02, Triazoic acid source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless, highly volatile liquid 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

Products:

  • NH4BrAmmonium bromide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: NH4Br source: wikidata, accessed: 2019-09-02
    • Appearance: White powder, hygroscopic source: wikipedia, accessed: 2019-09-27
  • N2
    • Names: Dinitrogen source: wikidata, accessed: 2019-09-07, Nitrogen (compressed gas) source: ICSC, accessed: 2019-09-04, Nitrogen (liquified) source: ICSC, accessed: 2019-09-04
    • Appearance: Odourless colourless compressed gas source: ICSC, accessed: 2019-09-04; Odourless colourless extremely cold liquid source: ICSC, accessed: 2019-09-04