The equation Cu(NO3)2 + 4NH3 -> Cu(NH3)4(NO3)2.

  1. Detailed information about the reaction Cu(NO3)2 + 4NH3 -> Cu(NH3)4(NO3)2:
    This equation describes the process of the amine derivative compound of copper (II) nitrate, Cu(NO3)2, reacting with ammonia, NH3, to form an amine complex of copper (II) nitrate, Cu(NH3)4(NO3)2.
    This reaction also shows the mole ratio between the reactants: one mole of copper (II) nitrate reacts with four moles of ammonia to produce one mole of the amine complex of copper (II) nitrate.

  2. Reaction conditions:
    The necessary condition for this reaction is that both substances must coexist as ions in solution. This reaction typically occurs at room temperature.

  3. Reaction process:
    When Cu(NO3)2 and NH3 react, Cu(NO3)2 will dissociate into Cu2+ ions and NO3- ions, while NH3 will dissociate into NH4+ ions and OH- ions. Then, the Cu2+ ions will react with NH4+ ions to form [Cu(NH3)4]2+, and the NO3- ions will combine with the [Cu(NH3)4]2+ ions to form Cu(NH3)4(NO3)2.

  4. Observed phenomena:
    When the two reactive substances, Cu(NO3)2 and NH3, are mixed together, the initial light blue solution (due to Cu(NO3)2) will turn into a deep green color (due to Cu(NH3)4(NO3)2).

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