Cu(OH)2 + 2 NH4OH + (NH4)2SO4 → 4 H2O + [Cu(NH3)4]SO4

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Cu(OH)2+2NH4OH+(NH4)2SO4→4H2O+[Cu(NH3)4]SO4

This is a complexation reaction: [Cu(NH3)4]SO4 is the formed complex.

Reactants:

  • Cu(OH)2 – Copper(II) hydroxide source: wikipedia, accessed: 2019-09-27
    • Other names: Cupric hydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Cu(OH)2 source: wikidata, accessed: 2019-09-02
    • Appearance: Blue or blue-green solid source: wikipedia, accessed: 2019-09-27
  • NH4OH
    • Names: Ammonium hydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07, Ammonia solution source: wikidata, accessed: 2019-09-07, Ammonium hydroxide (10%-35% solution) source: ICSC, accessed: 2019-09-04... show moreshow less
    • Appearance: Colourless liquid source: wikipedia, accessed: 2019-09-27; Very volatile colourless ammonia solution in water with pungent odour source: ICSC, accessed: 2019-09-04
  • (NH4)2SO4 – Ammonium tetraoxosulfate (VI) source: wikipedia, accessed: 2019-09-27
    • Other names: Ammonium sulphate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Ammonium sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Ammonium sulfate (2:1) source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02... show moreshow less
    • Appearance: Fine white hygroscopic granules or crystals. source: wikipedia, accessed: 2019-09-27

Products:

  • 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... show moreshow less
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27
  • [Cu(NH3)4]SO4

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