What is Cu(OH)? Important knowledge about Cu(OH)

  1. Definition of Cu(OH)
    1.1 Names:

    • Common name: Cu(OH) is called Copper Hydroxide.
    • English name: Cu(OH) is known as Copper Hydroxide.
      1.2 Atomic content: Cu(OH) contains one copper atom (Cu) and two hydroxide atoms (OH).
      1.3 Atomic mass: The atomic mass of Cu(OH) is 63.55 + (15.9994*2) = 95.5894 amu.
      1.4 Ion structure: In the compound Cu(OH), the copper ion (Cu2+) bonds with two hydroxide ions (OH-) to form a blue solid.

  2. Properties of Cu(OH)
    2.1 Physical properties of Cu(OH):

    • State: Cu(OH) is a solid at room temperature.
    • Color: Cu(OH) is blue.
    • Smell: Cu(OH) has no specific smell.
    • pH: Cu(OH) is alkaline due to the presence of hydroxide ions.
      2.2 Chemical properties of Cu(OH): Cu(OH) can react with acids to form salts and water. It can also react with high temperature to form CuO and water.

  3. Common chemical equations of Cu(OH):
    3.1 Reaction with acid. For example:

    • Cu(OH) + 2HCl -> CuCl2 + 2H2O
    • Cu(OH) + 2HNO3 -> Cu(NO3)2 + 2H2O
      3.2 Reaction with non-metals: Cu(OH) does not react with non-metals.
      3.3 Reaction with salts: Cu(OH) does not react with salts.

  4. Preparation of Cu(OH):
    4.1 Lab preparation of Cu(OH): Cu(OH) can be prepared by the reaction between CuSO4 and NaOH.
    For example: CuSO4 + 2NaOH -> Cu(OH)2 + Na2SO4.
    4.2 Industrial preparation of Cu(OH): In the industry, Cu(OH) is typically produced by adding water to CuO at high temperature.

Leave a Comment