The equation Cu(NO3)2 + 2KCN -> Cu(CN)2 + 2KNO3

  1. Detailed information about the equation Cu(NO3)2 + 2KCN -> Cu(CN)2 + 2KNO3:

    • The above chemical equation describes the reaction process between Copper (II) Nitrate (Cu(NO3)2) and Potassium Cyanide (KCN) to produce Copper (II) Cyanide (Cu(CN)2) and Potassium Nitrate (KNO3).

  2. Reaction conditions:

    • The reaction needs to be carried out under normal temperature conditions, atmospheric pressure.

  3. Reaction process:

    • Firstly, Copper (II) Nitrate will react with Potassium Cyanide, forming Copper (II) Cyanide and Potassium Nitrate.
    • Copper (II) Cyanide is a white solid, while Potassium Nitrate is a white crystalline solid.
    • This reaction belongs to the type of displacement reactions, in which the CN- ion from KCN will replace the NO3- ion in Cu(NO3)2.

  4. Phenomena occurring:

    • Throughout the reaction process, we can observe the color change from the green of the Copper (II) Nitrate solution to the white of Copper (II) Cyanide.
    • Simultaneously, the formation of Potassium Nitrate can also be seen through the formation of white crystals.

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