4 KClO3 + 5 FeSO4 + 16 KOH 5 K2FeO4 + 5 K2SO4 + 2 Cl2 + 8 H2O

This is an oxidation-reduction (redox) reaction:

4 ClV + 20 e- 4 Cl0 (reduction)

5 FeII - 20 e- 5 FeVI (oxidation)

KClO3 is an oxidizing agent, FeSO4 is a reducing agent.

Reactants:

  • KClO3
    • Names: Potassium chlorate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Potassium chlorate(V) source: wikipedia, accessed: 2019-09-27, Potcrate source: wikipedia, accessed: 2019-09-27, Potassium oxymuriate source: ICSC, accessed: 2019-09-04
    • Appearance: White crystals or powder source: wikipedia, accessed: 2019-09-27; Colourless crystals or white powder source: ICSC, accessed: 2019-09-04
  • FeSO4Iron(II) sulphate source: wikipedia, accessed: 2019-09-27
    • Other names: Iron(II) sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Ferrous sulfate source: wikipedia, accessed: 2019-09-27, Green vitriol source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystals (anhydrous) | White-yellow crystals (monohydrate) | Blue-green crystals (heptahydrate) source: wikipedia, accessed: 2019-09-27
  • KOHPotassium hydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Caustic potash source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Lye source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Potash lye source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: White solid, deliquescent source: wikipedia, accessed: 2019-09-27; White hygroscopic solid in various forms source: ICSC, accessed: 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: 2019-09-02

Products:

  • K2FeO4Potassium ferrate(VI) source: wikipedia, accessed: 2019-09-27
    • Other names: Potassium ferrate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Dipotassium ferrate source: wikipedia, accessed: 2019-09-27
    • Appearance: Dark purple solid source: wikipedia, accessed: 2019-09-27
  • K2SO4
    • Names: Potassium sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Potassium sulphate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Dipotassium sulfate source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Appearance: White solid source: wikipedia, accessed: 2019-09-27; Colourless-to-white crystals source: ICSC, accessed: 2019-09-04
  • Cl2
    • Names: Chlorine source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Molecular chlorine source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Greenish-yellow compressed liquefied gas with pungent odour source: ICSC, accessed: 2019-09-04; Greenish-yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02
  • 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