12 HNO3 + CuFeS2 → Cu(NO3)2 + Fe(NO3)3 + 2 SO4 + 7 NO + 6 H2O
This is an oxidation-reduction (redox) reaction:
2 S-II - 20 e- → 2 SVIII (oxidation)
7 NV + 21 e- → 7 NII (reduction)
FeII - 1 e- → FeIII (oxidation)
CuFeS2 is a reducing agent, HNO3 is an oxidizing agent, CuFeS2 is a reducing 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.]
- CuFeS2
Products:
Warning: Unknown compound 'SO4'