2 HCl (aq) + Zn (s) H2 (g) + ZnCl2 (aq)

This is an oxidation-reduction (redox) reaction:

Zn0 - 2 e- ZnII (oxidation)

2 HI + 2 e- 2 H0 (reduction)

Zn is a reducing agent, HCl is an oxidizing agent.

Reactants:

  • HClChlorane source: wikipedia, accessed: 2019-09-27, Hydrogen chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Hydrochloric acid source: wikipedia, accessed: 2019-09-27source: NIOSH NPG, accessed: 2019-09-02, Hydrochloric acid gas source: wikipedia, accessed: 2019-09-27, HCl source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless, transparent liquid, fumes in air if concentrated source: wikipedia, accessed: 2019-09-27; Colorless gas source: wikipedia, accessed: 2019-09-27; Colourless compressed liquefied gas with pungent odour source: ICSC, accessed: 2019-09-04; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02
  • Zn
    • Names: Zinc source: wikidata, accessed: 2019-09-07, Zinc powder (pyrophoric) source: ICSC, accessed: 2019-09-04, Zn source: wikidata, accessed: 2019-09-07
    • Appearance: Grey-to-blue powder source: ICSC, accessed: 2019-09-04

Products:

  • 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
  • ZnCl2Zinc chloride source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Zinc(II) chloride source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02, Zinc dichloride source: wikipedia, accessed: 2019-09-28source: ICSC, accessed: 2019-09-04, Butter of zinc source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Appearance: White crystalline solid | hygroscopic and very deliquescent source: wikipedia, accessed: 2019-09-28; White hygroscopic odourless solid in various forms source: ICSC, accessed: 2019-09-04; White particulate dispersed in air. source: NIOSH NPG, accessed: 2019-09-02