5 C7H8 + 6 KMnO4 + 9 H2SO4 → 5 C6H5COOH + 6 MnSO4 + 3 ...

This is an oxidation-reduction (redox) reaction:

6MnVII+30e-→6MnII(reduction)

30C-8/7-30/7e-→30C-I(oxidation)

5C-8/7-180/7e-→5CIV(oxidation)

KMnO4 is an oxidizing agent, C7H8 is a reducing agent, C7H8 is a reducing agent.

Reactants:

• C7H8 – Toluene , Methyl benzene
  • Other names: Phenyl methane , Toluol , Anisen ... show more1-methylbenzene , Methylbenzol , Phenylmethane , Toluen , Phenyl-Methane , Methylbenzene, 9CI , Monomethyl benzene , Methyl-Benzene , Methylbenzene , Methyl benzol show less
  • Appearance: Colorless liquid ; Colourless liquid with characteristic odour ; Colorless liquid with a sweet, pungent, benzene-like odor.
• KMnO4 – Potassium manganate(VII)
  • Other names: Potassium permanganate , Chameleon mineral , Condy's crystals ... show morePermanganate of potash Hypermangan , Permanganic acid potassium salt show less
  • Appearance: Purplish-bronze-gray needles | magenta–rose in solution ; Dark purple crystals
• H2SO4 – Sulfuric acid
  • Other names: Oil of vitriol , Sulfuric acid, concentrated (> 51% and < 100%) , H2SO4 ... show moreSulphuric acid , Battery acid , Hydrogen sulfate , [SO2(OH)2] , [S(OH)2O2] , Sulfuric acid (aqueous) show less
  • 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:

• C6H5COOH – Benzoic acid , Benzenecarboxylic acid
  • Other names: {{ubl , Retardex , E210 ... show morePhenylcarboxylic acid , Benzenemethanoic acid , Benzeneformic acid , Benzenemethonic acid , Diacylic acid , Carboxybenzene , Oracylic acid , Phenyl carboxylic acid show less
  • Appearance: Colorless crystalline solid ; White crystals or powder
• MnSO4 – Manganese(II) sulfate
  • Other names: MnSO4 , Manganese sulfate anhydrous , Manganese sulphate ... show moreManganous sulfate , Manganese monosulfate , Manganese(2+) sulphate , Manganese(II) sulphate , Manganese(2+) sulfate , Manganese sulfate show less
  • Appearance: White crystals (anhydrous) | pale pink solid (hydrates)
• K2SO4
  • Names: Potassium sulfate , Potassium sulphate , Dipotassium sulfate ... show moreKaliumsulfat , K2SO4 , Sulfuric acid dipotassium salt show less
  • Appearance: White solid ; Colourless-to-white crystals
• H2O – Water, oxidane
  • Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH) , Hydrogen oxide ... show moreDihydrogen monoxide (DHMO) (systematic name) , Hydrogen monoxide , Dihydrogen oxide , Hydric acid , Hydrohydroxic acid , Hydroxic acid , Hydrol , Μ-oxido dihydrogen , Κ1-hydroxyl hydrogen(0) show less
  • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas