2 H2SO4 (aq) + Pb (s) + PbO2 (s) 2 H2O (l) + 2 PbSO4 (s)

This is an oxidation-reduction (redox) reaction:

Pb0 - 2 e- PbII (oxidation)

PbIV + 2 e- PbII (reduction)

Pb is a reducing agent, PbO2 is an oxidizing agent (synproportionation (comproportionation)).

Reactants:

  • H2SO4Sulfuric acid source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Oil of vitriol source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Sulfuric acid, concentrated (> 51% and < 100%) source: ICSC, accessed: 2019-09-04, H2SO4 source: wikidata, accessed: 2019-09-07
    • Appearance: Clear, colorless liquid source: wikipedia, accessed: 2019-09-27; Odourless colourless oily hygroscopic liquid source: ICSC, accessed: 2019-09-04; Colorless to dark-brown, oily, odorless liquid. [Note: Pure compound is a solid below 51°F. Often used in an aqueous solution.] source: NIOSH NPG, accessed: 2019-09-02
  • Pb
    • Names: Lead source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Lead metal source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Plumbum source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: Bluish-white or silvery-grey solid in various forms. turns tarnished on exposure to air source: ICSC, accessed: 2019-09-04; A heavy, ductile, soft, gray solid. source: NIOSH NPG, accessed: 2019-09-02
  • PbO2Lead(IV) oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Lead dioxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Plumbic oxide source: wikipedia, accessed: 2019-09-27, Plattnerite source: wikipedia, accessed: 2019-09-27, Lead peroxide source: ICSC, accessed: 2019-09-04
    • Appearance: Dark-brown, black powder source: wikipedia, accessed: 2019-09-27; Brown crystals or powder source: ICSC, accessed: 2019-09-04

Products:

  • H2OWater, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27
  • PbSO4Lead(II) sulfate source: wikipedia, accessed: 2019-09-27
    • Other names: Anglesite source: wikipedia, accessed: 2019-09-27, Fast white source: wikipedia, accessed: 2019-09-27, Milk white source: wikipedia, accessed: 2019-09-27
    • Appearance: White solid source: wikipedia, accessed: 2019-09-27