4 CH4 (g) + 3 O2 (g) 2 C2H2 (g) + 6 H2O (l)

This is an oxidation-reduction (redox) reaction:

4 C-IV - 12 e- 4 C-I (oxidation)

6 O0 + 12 e- 6 O-II (reduction)

CH4 is a reducing agent, O2 is an oxidizing agent.

Reactants:

  • CH4Methane source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Carbane (never recommended) source: wikipedia, accessed: 2019-09-27
    • Other names: Marsh gas source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Natural gas source: wikipedia, accessed: 2019-09-27, Carbon tetrahydride source: wikipedia, accessed: 2019-09-27
    • Appearance: Colorless gas source: wikipedia, accessed: 2019-09-27; Colourless odourless compressed or liquefied gas source: ICSC, accessed: 2019-09-04
  • 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:

  • C2H2Acetylene source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Ethyne source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Ethine source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, HC#CH source: wikidata, accessed: 2019-09-02, [CH(CH)] source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless gas source: wikipedia, accessed: 2019-09-27; Colourless gas dissolved in acetone under pressure source: ICSC, accessed: 2019-09-04; Colorless gas with a faint, ethereal odor. [Note: Commercial grade has a garlic-like odor. Shipped under pressure dissolved in acetone.] source: NIOSH NPG, accessed: 2019-09-02
  • H2OWater, 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