The reaction scheme shows some reactions of [Cu(H2O)6]²⁺. [Figure showing reaction scheme: [Cu(H2O)6]²⁺ reacts with NaOH(aq) to form precipitate A (reaction 1), with excess NH3(aq) to form solution B (reaction 2), and with CuCO3(s) (reaction 3) which then reacts with CH3CO2H(aq) to form solution C (reaction 4).] Platin, Pt(NH3)2Cl2, is a neutral complex of platinum(II).
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