This is an oxidation-reduction (redox) reaction:
2 MnVII + 10 e- → 2 MnII (reduction)
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10 FeII - 10 e- → 10 FeIII (oxidation)
KMnO4 is an oxidizing agent, FeSO4 is a reducing agent.
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This is a precipitation reaction: Fe2(SO4)3 is the formed precipitate.
Reactants:
- FeSO4 – Iron(II) sulphate
- Other names: Iron(II) sulfate
, Ferrous sulfate
, Green vitriol
- Appearance: White crystals (anhydrous) | White-yellow crystals (monohydrate) | Blue-green crystals (heptahydrate)
- Other names: Iron(II) sulfate
- KMnO4 – Potassium manganate(VII)
- Other names: Potassium permanganate
, Chameleon mineral
, Condy's crystals
- Appearance: Purplish-bronze-gray needles | magenta–rose in solution
; Dark purple crystals
- Other names: Potassium permanganate
- H2SO4 – Sulfuric acid
- Other names: Oil of vitriol
, Sulfuric acid, concentrated (> 51% and 100%)
, H2SO4
- Appearance: Clear, colorless liquid
; Odourless colourless oily hygroscopic liquid
; Colorless to tướng dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.]
- Other names: Oil of vitriol
Products:
- Fe2(SO4)3 – Iron(III) sulfate
- Other names: Ferric sulfate
, Sulfuric acid
, Iron(3+) salt (3:2)
- Appearance: Grayish-white crystals
- Other names: Ferric sulfate
- MnSO4 – Manganese(II) sulfate
- Other names: MnSO4
, Manganese sulfate anhydrous
, Manganese sulphate
- Appearance: White crystals (anhydrous) | pale pink solid (hydrates)
- Other names: MnSO4
- K2SO4
- Names: Potassium sulfate
, Potassium sulphate
, Dipotassium sulfate
- Appearance: White solid
; Colourless-to-white crystals
- Names: Potassium sulfate
- 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 xao, colorless gas
- Other names: Water (H2O)
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