2 N2H4 (aq) + N2O4 (l) → 3 N2 (g) + 4 H2O (l)

This is an oxidation-reduction (redox) reaction:

4 N-II - 8 e- → 4 N0 (oxidation)

2 NIV + 8 e- → 2 N0 (reduction)

N2H4 is a reducing agent, N2O4 is an oxidizing agent (synproportionation (comproportionation)).

Reactants:

  • N2H4 – Hydrazine source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Diamine; source: wikipedia, accessed: 2019-09-27, Diazane source: wikidata, accessed: 2019-09-02, Tetrahydridodinitrogen source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless, fuming, oily liquid source: wikipedia, accessed: 2019-09-27; Colourless fuming oily hygroscopic liquid with pungent odour source: ICSC, accessed: 2019-09-04; Colorless, fuming, oily liquid with an ammonia-like odor. [Note: A solid below 36°F.] source: NIOSH NPG, accessed: 2019-09-02
  • N2O4 – Dinitrogen tetraoxide source: wikipedia, accessed: 2019-09-27
    • Other names: Dinitrogen tetroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, [N(NO2)O2] source: wikidata, accessed: 2019-09-02, Nitrogen tetroxide source: wikidata, accessed: 2019-09-02
    • Appearance: Colourless liquid, orange gas source: wikipedia, accessed: 2019-09-27

Products:

  • 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
  • H2O – Water, 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