2 H2O (l) + 2 Cu(NO3)2 (aq) → O2 (g) + 4 HNO3 (aq) + 2 Cu (s)
This is an oxidation-reduction (redox) reaction:
2 CuII + 4 e- → 2 Cu0 (reduction)
2 O-II - 4 e- → 2 O0 (oxidation)
Reactants:
Products:
- O2
- 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.]
- Cu