7 HNO3 + 3 Mg → 2 H2O + NO + 3 MgH(NO3)2
This is an oxidation-reduction (redox) reaction:
3 Mg0 - 6 e- → 3 MgII (oxidation)
NV + 3 e- → NII (reduction)
6 NV + 3 e- → 6 N9/2 (reduction)
Mg is a reducing agent, HNO3 is an oxidizing agent, HNO3 is an oxidizing agent.
Reactants:
- HNO3 – Nitric acid
- Other names: Aqua fortis , Spirit of niter , Eau forte
- Appearance: Colorless, yellow or red fuming liquid ; Colourless-to-yellow liquid with pungent odour ; 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.]
- Mg
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