NaNO2 (aq) + PbO2 (s) + 2 HCl (aq) → PbCl2 (s) + NaNO3 (aq) + H2O (l)

This is an oxidation-reduction (redox) reaction:

PbIV + 2 e- → PbII (reduction)

NIII - 2 e- → NV (oxidation)

PbO2 is an oxidizing agent, NaNO2 is a reducing agent.

Reactants:

  • NaNO2
    • Names: Sodium nitrite source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, 7632-00-0 source: wikidata, accessed: 2019-09-02, E250 source: wikidata, accessed: 2019-09-02
    • Appearance: White or slightly yellowish solid source: wikipedia, accessed: 2019-09-27; Hygroscopic white-to-yellow solid in various forms source: ICSC, accessed: 2019-09-04
  • PbO2 – Lead(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
  • HCl – Chlorane source: wikipedia, accessed: 2019-09-27, Hydrogen chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Hydrochloric acid source: wikipedia, accessed: 2019-09-27source: NIOSH NPG, accessed: 2019-09-02, M source: wikipedia, accessed: 2019-09-27, Uriatic acid source: wikipedia, accessed: 2019-09-27
    • Appearance: Colorless, transparent liquid, fumes in air if concentrated source: wikipedia, accessed: 2019-09-27; Colorless gas source: wikipedia, accessed: 2019-09-27; Colourless compressed liquefied gas with pungent odour source: ICSC, accessed: 2019-09-04; Colorless to slightly yellow gas with a pungent, irritating odor. [Note: Shipped as a liquefied compressed gas.] source: NIOSH NPG, accessed: 2019-09-02

Products:

  • PbCl2 – Lead(II) chloride source: wikipedia, accessed: 2019-09-27, Lead dichloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Plumbous chloride source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Cotunnite source: wikipedia, accessed: 2019-09-27, Lead chloride source: wikidata, accessed: 2019-09-02
    • Appearance: White odorless solid source: wikipedia, accessed: 2019-09-27
  • NaNO3 – Sodium nitrate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Peru saltpeter source: wikipedia, accessed: 2019-09-27, Soda niter source: wikipedia, accessed: 2019-09-27, Cubic niter source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: White powder or colorless crystals source: wikipedia, accessed: 2019-09-27; Colourless hygroscopic crystals source: ICSC, accessed: 2019-09-04
  • H2O – Water, 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