2 K + PtCl2 → Pt + 2 KCl

This is an oxidation-reduction (redox) reaction:

PtII + 2 e- → Pt0 (reduction)

2 K0 - 2 e- → 2 KI (oxidation)

PtCl2 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
  • PtCl2 – Platinum(II) chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Platinous chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Platinium dichloride source: wikidata, accessed: 2019-09-02, Muriate of platinum source: wikidata, accessed: 2019-09-02
    • Appearance: Olive green crystals source: wikipedia, accessed: 2019-09-27

Products:

  • Pt
    • Names: Platinum source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Platinum sponge source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Platinum black (powder) source: ICSC, accessed: 2019-09-04
    • Appearance: Black powder source: ICSC, accessed: 2019-09-04; Silvery, whitish-gray, malleable, ductile metal. source: NIOSH NPG, accessed: 2019-09-02
  • KCl
    • Names: Potassium chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Sylvite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Muriate of potash source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: White crystalline solid source: wikipedia, accessed: 2019-09-27; Colourless hygroscopic crystals source: ICSC, accessed: 2019-09-04