This is an oxidation-reduction (redox) reaction:
4 Mg0 - 8 e- → 4 MgII (oxidation)
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2 NV + 8 e- → 2 NI (reduction)
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Mg is a reducing agent, HNO3 is an oxidizing agent.
Reactants:
- Mg
- Names: Magnesium
, Magnesium (powder)
, Magnesium (pellets)
- Appearance: Grey powder
; Silvery-white metallic solid in various forms
- Names: Magnesium
- 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.]
- Other names: Aqua fortis
Products:
- Mg(NO3)2 – Magnesium nitrate
- Other names: Nitromagnesite (hexahydrate)
, Nitric acid, magnesium salt
- Appearance: White crystalline solid
; Hygroscopic colourless or white crystals
- Other names: Nitromagnesite (hexahydrate)
- N2O – Dinitrogen monoxide
- Other names: Nitrous oxide
, Laughing gas
, Sweet air
- Appearance: Colourless gas
; Colourless compressed liquefied gas with characteristic odour
; Colorless gas with a slightly sweet odor. [inhalation anesthetic] [Note: Shipped as a liquefied compressed gas.]
- Other names: Nitrous oxide
- H2O – Water, oxidane
- Other names: Water (H2O)
, Hydrogen hydroxide (HH or HOH)
, Hydrogen oxide
- Appearance: White crystalline solid, almost colorless liquid with a hint of xanh xao, colorless gas
- Other names: Water (H2O)
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