5SnSO4 + 2KMnO4 + 30HCl → 5H2[SnCl6] + 2MnSO4 + K2SO4 + 2H2SO4 + 8H2O
Tin(II) sulfate react with potassium permanganate and hydrogen chloride to produce hydrogen hexachloridostannate(IV), manganese(II) sulfate, potassium sulfate, sulfuric acid and water. Hydrogen chloride - concentrated solution.