Fe2S3 + 4 HCl → 2 H2 + 2 FeCl2 + 3 S
This is an oxidation-reduction (redox) reaction:
3 S-II - 6 e- → 3 S0 (oxidation)
4 HI + 4 e- → 4 H0 (reduction)
2 FeIII + 2 e- → 2 FeII (reduction)
Fe2S3 is a reducing agent, HCl is an oxidizing agent, Fe2S3 is an oxidizing agent.
Reactants:
- Fe2S3
- 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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