2H2[PtCl6] + N2H6Cl2 2H2[PtCl4] + 6HCl + N2
Hydrogen hexachloridoplatinate(IV) react with hydrazinium dichloride to produce hydrogen tetrachloridoplatinate(II), hydrogen chloride and nitrogen. Hydrogen hexachloridoplatinate(IV) - concentrated solution. Hydrazinium dichloride - solid. This reaction takes place at a temperature near 70°C.