2 HCl + SnCl2 + 2 HNO2 → 2 H2O + 2 NO + SnCl4
This is an oxidation-reduction (redox) reaction:
SnII - 2 e- → SnIV (oxidation)
2 NIII + 2 e- → 2 NII (reduction)
SnCl2 is a reducing agent, HNO2 is an oxidizing agent.
Reactants:
- 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.]
- SnCl2 – Tin(II) chloride , Tin dichloride
- HNO2 – Nitrous acid , Hydroxidooxidonitrogen
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