Cu + 4 HNO3 Cu[NO3]2 + 2 NO2 + 2 H2O

This is a complexation reaction: Cu[NO3]2 is the formed complex.

This is an oxidation-reduction (redox) reaction:

Cu0 - 2 e- CuII (oxidation)

2 NV + 2 e- 2 NIV (reduction)

Cu is a reducing agent, HNO3 is an oxidizing agent.

Reactants:

  • Cu
    • Names: Copper source: wikidata, accessed on: 2019-09-07source: ICSC, accessed on: 2019-09-04, Copper (dusts and mists, as Cu) source: NIOSH NPG, accessed on: 2019-09-02, Cu source: wikidata, accessed on: 2019-09-07
    • Appearance: Solid in various forms. turns green on exposure to moist air source: ICSC, accessed on: 2019-09-04; Reddish, lustrous, malleable, odorless solid. source: NIOSH NPG, accessed on: 2019-09-02
  • HNO3Nitric acid source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Aqua fortis source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02, Spirit of niter source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Eau forte source: wikipedia, accessed on: 2019-09-27
    • Appearance: Colorless, yellow or red fuming liquid source: wikipedia, accessed on: 2019-09-27; Colourless-to-yellow liquid with pungent odour source: ICSC, accessed on: 2019-09-04; Colorless, yellow, or red, fuming liquid with an acrid, suffocating odor. [Note: Often used in an aqueous solution. Fuming nitric acid is concentrated nitric acid that contains dissolved nitrogen dioxide.] source: NIOSH NPG, accessed on: 2019-09-02

Products:

  • Cu[NO3]2
  • NO2Nitrogen dioxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Nitrogen(IV) oxide source: wikipedia, accessed on: 2019-09-27, Deutoxide of nitrogen source: wikipedia, accessed on: 2019-09-27, Nitrogen peroxide source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02
    • Appearance: Brown gas source: wikipedia, accessed on: 2019-09-27; Reddish-brown gas or brown or yellow liquid with pungent odour source: ICSC, accessed on: 2019-09-04; Yellowish-brown liquid or reddish-brown gas (above 70°F) with a pungent, acrid odor. [Note: In solid form (below 15°F) it is found structurally as N2O4.] source: NIOSH NPG, accessed on: 2019-09-02
  • H2OWater, oxidane source: wikipedia, accessed on: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed on: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed on: 2019-09-27, Hydrogen oxide source: wikipedia, accessed on: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed on: 2019-09-27