PbO2 + 2NaCl + 4H2SO4 → Pb(HSO4)2 + Cl2 + 2NaHSO4 + 2H2O
Lead(IV) oxide react with sodium chloride and sulfuric acid to produce lead(II) hydrosulfate, chlorine, sodium bisulfate and water. Sodium chloride - solid. Sulfuric acid - concentrated solution. The reaction proceeds at room temperature.