Cu (s) + Cl2 (g) → CuCl2 (aq)

This is an oxidation-reduction (redox) reaction:

Cu0 - 2 e- → CuII (oxidation)

2 Cl0 + 2 e- → 2 Cl-I (reduction)

Cu is a reducing agent, Cl2 is an oxidizing agent.

Reactants:

  • Cu
    • Names: Copper source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Copper (dusts and mists, as Cu) source: NIOSH NPG, accessed: 2019-09-02, Cu source: wikidata, accessed: 2019-09-07
    • Appearance: Solid in various forms. turns green on exposure to moist air source: ICSC, accessed: 2019-09-04; Reddish, lustrous, malleable, odorless solid. source: NIOSH NPG, accessed: 2019-09-02
  • 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

Products:

  • CuCl2
    • Names: Copper(II) chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Cupric chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Copper chloride source: wikidata, accessed: 2019-09-02
    • Appearance: Yellow-brown solid (anhydrous) | blue-green solid (dihydrate) source: wikipedia, accessed: 2019-09-27