C2H4 (g) + H2 (g) → C2H6 (g)

This is an oxidation-reduction (redox) reaction:

2 C-II + 2 e- → 2 C-III (reduction)

2 H0 - 2 e- → 2 HI (oxidation)

C2H4 is an oxidizing agent, H2 is a reducing agent.

Reactants:

  • C2H4 – Ethene source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Ethylene source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, CH2=CH2 source: wikidata, accessed: 2019-09-02, H2C=CH2 source: wikidata, accessed: 2019-09-02, R-1150 source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless gas source: wikipedia, accessed: 2019-09-27; Colourless compressed gas with characteristic odour source: ICSC, accessed: 2019-09-04
  • H2
    • Names: Dihydrogen source: wikidata, accessed: 2019-09-07, Hydrogen source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-07, H2 source: wikidata, accessed: 2019-09-07
    • Appearance: Odourless colourless compressed gas source: ICSC, accessed: 2019-09-04

Products:

  • C2H6 – Ethane source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Dicarbane (never recommended) source: wikipedia, accessed: 2019-09-27
    • Other names: R-170 source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless gas source: wikipedia, accessed: 2019-09-27; Colourless compressed liquefied gas. odourless when pure source: ICSC, accessed: 2019-09-04