2 NH4Cl + Zn + 2 MnO2 (Zn(NH3)2)Cl2 + 2 MnO(OH)

This is an oxidation-reduction (redox) reaction:

2 MnIV + 2 e- 2 MnIII (reduction)

Zn0 - 2 e- ZnII (oxidation)

MnO2 is an oxidizing agent, Zn is a reducing agent.

Reactants:

  • NH4ClAmmonium 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: Sal ammoniac source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Salmiac source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Nushadir salt source: wikipedia, accessed: 2019-09-27
    • Appearance: White solid, hygroscopic source: wikipedia, accessed: 2019-09-27; Odourless colourless-to-white hygroscopic solid in various forms source: ICSC, accessed: 2019-09-04; Finely divided, odorless, white particulate dispersed in air. 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
  • MnO2Manganese oxide source: wikipedia, accessed: 2019-09-27, Manganese(IV) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Manganese dioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Pyrolusite source: wikipedia, accessed: 2019-09-27, Hyperoxide of manganese source: wikipedia, accessed: 2019-09-27
    • Appearance: Brown-black solid source: wikipedia, accessed: 2019-09-27; Black-to-brown powder source: ICSC, accessed: 2019-09-04

Products:

  • (Zn(NH3)2)Cl2
  • MnO(OH)