MnO2 + 2NaCl + 2H2SO4
MnSO4 + Cl2 + Na2SO4 + 2H2O
Manganese(IV) oxide react with sodium chloride and sulfuric acid to produce manganese(II) sulfate, chlorine, sodium sulfate and water. Sodium chloride - solid. Sulfuric acid - concentrated solution. This reaction takes place at a temperature near 100°C.