This is an acid-base reaction (neutralization): Fe3O4 is a base, HCl is an acid.
This is an oxidation-reduction (redox) reaction:
Xem thêm: fe304 + h2so4
Fe8/3 + 2/3 e- → FeII (reduction)
2 Fe8/3 - 2/3 e- → 2 FeIII (oxidation)
Xem thêm: cây trồng thuộc nhóm nguồn gốc nào thích hợp trồng trong vụ đông ở miền bắc việt nam
Fe3O4 is both an oxidizing and a reducing agent (disproportionation (dismutation)).
Reactants:
- Fe3O4 – Iron(II) iron(III) oxide
- Other names: Iron(II,III) oxide
, Ferrous ferric oxide
, Ferroso ferric oxide
- Appearance: Solid Đen powder
- Other names: Iron(II,III) oxide
- 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 lớn slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.]
- Other names: Hydrochloric acid
Products:
- FeCl2 – Iron(II) chloride
, Iron dichloride
- Other names: Ferrous chloride
, Rokühnite
, [FeCl3]
, FeCl3
- Appearance: Tan solid (anhydrous) | Pale green solid (di-tetrahydrate)
; White-to-light-green hygroscopic crystals
- Other names: Ferrous chloride
- FeCl3 – Iron(III) chloride
, Iron trichloride
- Other names: {{ubl
, Ferric chloride
, Ferric chloride (anhydrous)
- Appearance: Green-black by reflected light; purple-red by transmitted light; yellow solid as hexahydrate; brown as {{abbr|aq.|aqueous}} solution
; Black-to-brown hygroscopic crystals
- Other names: {{ubl
- H2O – Water, oxidane
- Other names: Water (H2O)
, Hydrogen hydroxide (HH or HOH)
, Hydrogen oxide
- Appearance: White crystalline solid, almost colorless liquid with a hint of xanh rờn, colorless gas
- Other names: Water (H2O)
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