7 Al + 24 HNO3 → 7 Al(NO3)3 + 3 NH2 + 9 H2O

This is an oxidation-reduction (redox) reaction:

7 Al0 - 21 e- → 7 AlIII (oxidation)

3 NV + 21 e- → 3 N-II (reduction)

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

Reactants:

  • Al
    • Names: Aluminum source: wikidata, accessed: 2019-09-07source: NIOSH NPG, accessed: 2019-09-02, Aluminium powder source: ICSC, accessed: 2019-09-04, Al source: wikidata, accessed: 2019-09-07
    • Appearance: Silvery-white-to-grey powder source: ICSC, accessed: 2019-09-04; Silvery-white, malleable, ductile, odorless metal. source: NIOSH NPG, accessed: 2019-09-02
  • HNO3 – Nitric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Aqua fortis source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02, Spirit of niter source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Eau forte source: wikipedia, accessed: 2019-09-27
    • Appearance: Colorless, yellow or red fuming liquid source: wikipedia, accessed: 2019-09-27; Colourless-to-yellow liquid with pungent odour source: ICSC, accessed: 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: 2019-09-02

Products:

  • Al(NO3)3 – Aluminium nitrate source: wikipedia, accessed: 2019-09-27
    • Other names: Nitric Aluminum salt source: wikipedia, accessed: 2019-09-27, Aluminum nitrate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Aluminium(III) nitrate source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystals, solid | hygroscopic source: wikipedia, accessed: 2019-09-27
  • NH2
  • 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
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27