2 KMnO4 + 5 H2S + 3 H2SO4 → 5 S + 2 MnSO4 + K2SO4 + 8 H2O – Balanced equation

Or you want a quick look:

This is an oxidation-reduction (redox) reaction:

2 MnVII + 10 e- 2 MnII (reduction)

5 S-II - 10 e- 5 S (oxidation)

KMnO4 is an oxidizing agent, H2S is a reducing agent.

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Reactants:

  • KMnO4Potassium manganate(VII)
    • Other names: Potassium permanganate , Chameleon mineral , Condy's crystals
    • Appearance: Purplish-bronze-gray needles | magenta–rose in solution ; Dark purple crystals
  • H2SHydrogen 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.]
  • 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.]

Products:

  • S
    • Names: Sulfur , S , Sulphur
    • Appearance: Yellow solid in various forms
  • MnSO4Manganese(II) sulfate
    • Other names: MnSO4 , Manganese sulfate anhydrous , Manganese sulphate
    • Appearance: White crystals (anhydrous) | pale pink solid (hydrates)
  • K2SO4
    • Names: Potassium sulfate , Potassium sulphate , Dipotassium sulfate
    • Appearance: White solid ; Colourless-to-white crystals
  • 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
READ  5 KClO3 + 6 P → 5 KCl + 3 P2O5 – Balanced equation
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