2[Pt(NH3)2Cl4] + N2H4•H2O + 8(NH3•H2O) → 2[Pt(NH3)4]Cl2 + N2 + 4NH4Cl + 9H2O
Trans(cis)-tetrachloridodiammineplatinum react with hydrazine hydrate and ammonium hydroxide to produce tetraammineplatinum(II) chloride, nitrogen, ammonium chloride and water. Ammonium hydroxide - concentrated solution.