10 SCN- + 14 MnO4- + 32 H+ 5 (CN)2 + 14 (Mn)2+ + 10 SO42- + 16 H2O

This is an oxidation-reduction (redox) reaction:

14 MnVII + 70 e- 14 MnII (reduction)

10 S-II - 80 e- 10 SVI (oxidation)

10 CIV + 20 e- 10 CII (reduction)

MnO4- is an oxidizing agent, SCN- is a reducing agent, SCN- is an oxidizing agent.

Reactants:

  • SCN-Cyanosulfanide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02
    • Other names: Thiocyanate source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02, R source: wikipedia, accessed: 2019-09-28, Hodanide | Sulfocyanate| Sulphocyanate| Thiocyanide}} source: wikipedia, accessed: 2019-09-28
  • MnO4-
  • H+

Products:

  • (CN)2Oxalonitrile source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Cyanogen source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Ethanedinitrile source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Dicyan source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Colourless gas source: wikipedia, accessed: 2019-09-27; Colourless gas or compressed liquefied gas with characteristic odour source: ICSC, accessed: 2019-09-04; Colorless gas with a pungent, almond-like odor. [Note: Shipped as a liquefied compressed gas. Forms cyanide in the body.] source: NIOSH NPG, accessed: 2019-09-02
  • Mn2+
  • SO42-Sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07
    • Other names: Sulfate ion source: wikidata, accessed: 2019-09-07, Sulphate ion source: wikidata, accessed: 2019-09-07, Sulphate source: wikidata, accessed: 2019-09-07
  • 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