14 H2SO4 + 2 FeS2 → 14 H2O + 15 SO2 + Fe2(SO4)3 – Balanced equation

Or you want a quick look:

This is an oxidation-reduction (redox) reaction:

4 S-I - 20 e- 4 SIV (oxidation)

11 SVI + 22 e- 11 SIV (reduction)

2 FeII - 2 e- 2 FeIII (oxidation)

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FeS2 is a reducing agent, H2SO4 is an oxidizing agent, FeS2 is a reducing agent.

Reactants:

  • H2SO4Sulfuric acid
    • Other names: Oil of vitriol , Sulfuric acid, concentrated (> 51% and , H2SO4
    • Appearance: Clear, colorless liquid ; Odourless colourless oily hygroscopic liquid ; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.]
  • FeS2
    • Names: Ferrous disulfide , Fool's gold , Iron disulfide

Products:

  • H2OWater, oxidane
    • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas
  • SO2Sulfur dioxide
    • Other names: Sulfurous anhydride , Sulphur dioxide , Sulfurous acid anhydride
    • Appearance: Colorless gas ; Colourless gas or compressed liquefied gas with pungent odour ; Colorless gas with a characteristic, irritating, pungent odor. [Note: A liquid below 14°F. Shipped as a liquefied compressed gas.]
  • Fe2(SO4)3Iron(III) sulfate
    • Other names: Ferric sulfate , Sulfuric acid , Iron(3+) salt (3:2)
    • Appearance: Grayish-white crystals
READ  Magnesium (Mg) and water
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