4 Fe (s) + KNO3 (aq) + 10 HCl (aq) → 4 FeCl2 (aq) + NH4Cl (aq) + KCl (aq) + 3 H2O (l)
This is an oxidation-reduction (redox) reaction:
NV + 8 e- → N-III (reduction)
4 Fe0 - 8 e- → 4 FeII (oxidation)
KNO3 is an oxidizing agent, Fe is a reducing agent.
Reactants:
- Fe
- KNO3 – Potassium nitrate
- HCl – Chlorane , Hydrogen chloride
- Other names: Hydrochloric acid , M , Uriatic acid
- Appearance: Colorless, transparent liquid, fumes in air if concentrated ; Colorless gas ; Colourless compressed liquefied gas with pungent odour ; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]
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