C2H5OH + K2MnO4 CH3CHO + MnO2 + 2 KOH

This is an oxidation-reduction (redox) reaction:

MnVI + 2 e- MnIV (reduction)

C-II - 3 e- CI (oxidation)

C-II + e- C-III (reduction)

K2MnO4 is an oxidizing agent, C2H5OH is a reducing agent, C2H5OH is an oxidizing agent.

Reactants:

  • C2H5OHEthanol source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Absolute alcohol source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Alcohol source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02, Cologne spirit source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02
    • Appearance: Colorless liquid source: wikipedia, accessed on: 2019-09-27; Colourless liquid with characteristic odour source: ICSC, accessed on: 2019-09-04; Clear, colorless liquid with a weak, ethereal, vinous odor. source: NIOSH NPG, accessed on: 2019-09-02
  • K2MnO4Potassium manganate(VI) source: wikipedia, accessed on: 2019-09-27
    • Other names: Potassium manganate source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02
    • Appearance: Green crystals (darkening with time) source: wikipedia, accessed on: 2019-09-27

Products:

  • CH3CHOAcetaldehyde source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Ethanal source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Acetic aldehyde source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Ethyl aldehyde source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Acetylaldehyde source: wikipedia, accessed on: 2019-09-27, NSC 7594 source: wikidata, accessed on: 2019-09-02
    • Appearance: Colourless liquid source: wikipedia, accessed on: 2019-09-27; Gas or colourless liquid with pungent odour source: ICSC, accessed on: 2019-09-04; Colorless liquid or gas (above 69°F) with a pungent, fruity odor. source: NIOSH NPG, accessed on: 2019-09-02
  • MnO2Manganese oxide source: wikipedia, accessed on: 2019-09-27, Manganese(IV) oxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02
    • Other names: Manganese dioxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04, Pyrolusite source: wikipedia, accessed on: 2019-09-27, Hyperoxide of manganese source: wikipedia, accessed on: 2019-09-27
    • Appearance: Brown-black solid source: wikipedia, accessed on: 2019-09-27; Black-to-brown powder source: ICSC, accessed on: 2019-09-04
  • KOHPotassium hydroxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Caustic potash source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Lye source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Potash lye source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02
    • Appearance: White solid, deliquescent source: wikipedia, accessed on: 2019-09-27; White hygroscopic solid in various forms source: ICSC, accessed on: 2019-09-04; Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. [Note: May be used as an aqueous solution.] source: NIOSH NPG, accessed on: 2019-09-02