What is CuBr2? Important knowledge about CuBr2

  1. Definition of CuBr2
    1.1 Names
    1.1.1 Common name: Copper (II) bromide
    1.1.2 English name: Copper (II) bromide
    1.2 Molecular mass: 223.37 g/mol
    1.3 Atomic mass: Cu: 63.55 g/mol, Br: 79.90 g/mol
    1.3.1 Molecular structure: A molecule of CuBr2 consists of one copper atom and two bromine atoms.
    1.4 Ion structure: Cu2+ and Br-

  2. Properties of CuBr2
    2.1 Physical properties of CuBr2
    State: Solid at room temperature
    Color: Reddish-brown or dark red
    Odor: No distinctive odor
    PH level: Acidic when dissolved in water
    2.2 Chemical properties of CuBr2: Easily soluble in water and methanol, slightly soluble in ethanol. Reacts with alkali to form insoluble substance.

  3. Common chemical equations involving CuBr2
    Reaction with acid:
    CuBr2 + 2HCl -> CuCl2 + 2HBr
    Reaction with metal:
    2Ag + CuBr2 -> 2AgBr + Cu
    Reaction with salt:
    CuBr2 + 2NaNO3 -> Cu(NO3)2 + 2NaBr

  4. Synthesis of CuBr2
    4.1 Laboratory synthesis of CuBr2:
    Cu + Br2 -> CuBr2
    4.2 Industrial synthesis of CuBr2:
    CuBr2 can be produced from the reaction between copper and bromine at high temperature or by oxidizing CuBr with bromine.

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