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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- -
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. -
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 -
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.