2 K + Ag2SO4 → K2SO4 + 2 Ag

This is an oxidation-reduction (redox) reaction:

2 AgI + 2 e- → 2 Ag0 (reduction)

2 K0 - 2 e- → 2 KI (oxidation)

Ag2SO4 is an oxidizing agent, K is a reducing agent.

Reactants:

  • K
    • Names: Potassium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, K source: wikidata, accessed: 2019-09-07, Element 19 source: wikidata, accessed: 2019-09-07, Kalium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04
    • Appearance: White-to-grey lumps source: ICSC, accessed: 2019-09-04
  • Ag2SO4 – Silver sulfate source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02
    • Other names: Disilver sulfate source: wikipedia, accessed: 2019-09-28, Silver(I) sulfate source: wikidata, accessed: 2019-09-02, Silver sulphate source: wikidata, accessed: 2019-09-02, Silver(I) sulphate source: wikidata, accessed: 2019-09-02
    • Appearance: Colorless crystals source: wikipedia, accessed: 2019-09-28

Products:

  • 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
  • Ag
    • Names: Silver source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Ag source: wikidata, accessed: 2019-09-07, Element 47 source: wikidata, accessed: 2019-09-07
    • Appearance: White metal. turns dark on exposure to ozone, hydrogen sulfide or sulfur source: ICSC, accessed: 2019-09-04