3 HNO3 + NaNO2 + NaMnO4 → 2 NaNO3 + Mn(NO3)2 + 3 HO
This is an oxidation-reduction (redox) reaction:
MnVII + 5 e- → MnII (reduction)
NIII - 2 e- → NV (oxidation)
3 O-II - 3 e- → 3 O-I (oxidation)
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.]
- Other names: Aqua fortis
- NaNO2
- NaMnO4 – Sodium manganate(VII)
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