Pb₃O₄ + 2 NO₂ + 2 H₂O → 2 PbOHNO₃ + Pb(OH)₂

Reactants:

• Pb₃O₄ – Lead tetroxide
  • Other names: Lead(II,IV) oxide , Minium , Red lead ... show moreTriplumbic tetroxide , C.I. Pigment Red 105 , Lead orthoplumbate show less
  • Appearance: Vivid orange crystals ; Red crystals or powder
• NO₂ – Nitrogen dioxide
  • Other names: Nitrogen(IV) oxide , Deutoxide of nitrogen , Nitrogen peroxide ... show moreNO2 , NO2(.) , Dinitrogen tetroxide (see notes) , Nitrogen tetroxide , Dinitrogen tetroxide show less
  • Appearance: Brown gas ; Reddish-brown gas or brown or yellow liquid with pungent odour ; Yellowish-brown liquid or reddish-brown gas (above 70°F) with a pungent, acrid odor. [Note: In solid form (below 15°F) it is found structurally as N2O4.]
• 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

Products:

• PbOHNO₃
• Pb(OH)₂ – Lead(II) hydroxide
  • Other names: Lead hydroxide , Plumbous hydroxide , Basic lead carbonate
  • Appearance: Blue amorphous powder