FeCl3 + H2S → H2Cl + FeCl2 + S
This is an oxidation-reduction (redox) reaction:
S-II - 2 e- → S0 (oxidation)
2 HI + e- → 2 H1/2 (reduction)
FeIII + e- → FeII (reduction)
H2S is a reducing agent, H2S is an oxidizing agent, FeCl3 is an oxidizing agent.
Reactants:
- FeCl3 – Iron(III) chloride , Iron trichloride
- H2S – Hydrogen sulfide
- Other names: D , Ihydrogen monosulfide|Dihydrogen sulfide|Sewer gas|Sulfane|Sulfurated hydrogen|Sulfureted hydrogen|Sulfuretted hydrogen|Sulfur hydride|Hydrosulfuric acid|Hydrothionic acid|Thiohydroxic acid|Sulfhydric acid}} , Hydrosulfuric acid
- Appearance: Colorless gas ; Colourless compressed liquefied gas with characteristic odour of rotten eggs ; Colorless gas with a strong odor of rotten eggs. [Note: Sense of smell becomes rapidly fatigued & can NOT be relied upon to warn of the continuous presence of H2S. Shipped as a liquefied compressed gas.]
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