4 Cd (s) + 10 HNO3 (aq) 4 Cd(NO3)2 (aq) + NH4NO3 (aq) + 3 H2O (l)

This is an oxidation-reduction (redox) reaction:

4 Cd0 - 8 e- 4 CdII (oxidation)

NV + 8 e- N-III (reduction)

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

Reactants:

  • Cd
    • Names: Cadmium source: wikidata, accessed on: 2019-09-07source: ICSC, accessed on: 2019-09-04, Cd source: wikidata, accessed on: 2019-09-07, Element 48 source: wikidata, accessed on: 2019-09-07, 48 source: wikidata, accessed on: 2019-09-07
    • Appearance: Soft blue-white metal lumps or grey powder. malleable. turns brittle on exposure to 80°c. tarnishes on exposure to moist air source: ICSC, accessed on: 2019-09-04
  • 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:

  • Cd(NO3)2Cadmium(II) nitrate source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02
    • Other names: Cadmium nitrate source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Nitric acid source: wikipedia, accessed on: 2019-09-27, Cadmium salt source: wikipedia, accessed on: 2019-09-27
    • Appearance: White crystals, hygroscopic source: wikipedia, accessed on: 2019-09-27
  • NH4NO3Ammonium nitrate source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04
    • Other names: Nitric acid, ammonium salt source: ICSC, accessed on: 2019-09-04
    • Appearance: White/grey solid source: wikipedia, accessed on: 2019-09-27; Colourless-to-white hygroscopic solid in various forms source: ICSC, accessed on: 2019-09-04
  • 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