8 Al + 21 KOH + 3 KNO3 + 18 H2O → 8 K3[Al(OH)6] + 3 NH3
This is a complexation reaction: K3[Al(OH)6] is the formed complex.
This is an oxidation-reduction (redox) reaction:
8 Al0 - 24 e- → 8 AlIII (oxidation)
3 NV + 24 e- → 3 N-III (reduction)
Al is a reducing agent, KNO3 is an oxidizing agent.
Reactants:
Products:
- K3[Al(OH)6]
- NH3
- Names: Ammonia , Azane (only intended for use in naming derivatives of ammonia) , Hydrogen nitride
- Appearance: Colourless gas ; Colourless gas or compressed liquefied gas with pungent odour ; Colorless gas with a pungent, suffocating odor. [Note: Shipped as a liquefied compressed gas. Easily liquefied under pressure.]