2 H2Cl + Mg → MgCl2 + 2 H2

This is an oxidation-reduction (redox) reaction:

4 H1/2 + 2 e- → 4 H0 (reduction)

Mg0 - 2 e- → MgII (oxidation)

H2Cl is an oxidizing agent, Mg is a reducing agent.

Reactants:

  • H2Cl
  • Mg
    • Names: Magnesium source: wikidata, accessed: 2019-09-07, Magnesium (powder) source: ICSC, accessed: 2019-09-04, Magnesium (pellets) source: ICSC, accessed: 2019-09-04
    • Appearance: Grey powder source: ICSC, accessed: 2019-09-04; Silvery-white metallic solid in various forms source: ICSC, accessed: 2019-09-04

Products:

  • MgCl2
    • Names: Magnesium chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Magnesium dichloride source: wikipedia, accessed: 2019-09-27, Magnesium chloride anhydrous source: ICSC, accessed: 2019-09-04source: wikidata, accessed: 2019-09-02
    • Appearance: White or colourless crystalline solid source: wikipedia, accessed: 2019-09-27; Deliquescent white solid in various forms 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