3 Te + 6 KOH → K2TeO3 + 2 K2Te + 3 H2O

This is an oxidation-reduction (redox) reaction:

2 Te0 + 4 e- → 2 Te-II (reduction)

Te0 - 4 e- → TeIV (oxidation)

Te is both an oxidizing and a reducing agent (disproportionation (dismutation)).

Reactants:

  • Te
    • Names: Tellurium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Te source: wikidata, accessed: 2019-09-07, Element 52 source: wikidata, accessed: 2019-09-07
    • Appearance: Dark grey-to-brown amorphous powder, with metal characteristics or silvery-white, lustrous crystalline solid source: ICSC, accessed: 2019-09-04; Odorless, dark-gray to brown, amorphous powder or grayish-white, brittle solid. source: NIOSH NPG, accessed: 2019-09-02
  • KOH – Potassium 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:

  • K2TeO3
  • K2Te
    • Names: Potassium telluride source: wikidata, accessed: 2019-09-03
  • H2O – Water, 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