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Copper chloride + Sodium hydroxide --> Copper hydroxide + sodium chloride
CuCl2+NaOH= Cu(OH)2+Na2Cl
The compound copper (III) chloride doesn't exist !
The insoluble in water copper(II) hydroxide is formed.
Copper(II) hydroxide can be produced by adding a small amount of sodium hydroxide to a dilute solution of copper(II) sulfate (CuSO4 · 5H2O). The precipitate produced in this manner, however, often contains water molecules and an appreciable amount of sodium hydroxide impurity. A purer product can be attained if ammonium chloride is added to the solution beforehand. Alternatively, copper hydroxide is readily made by electrolysis of water (containing a little electrolyte such as sodium bicarbonate). A copper anode is used, often made from scrap copper.
Atacamite is a green copper(II) chloride hydroxide mineral which is polymorphous with botallackite.
Cu(NO3)2(aq) + 2 NaOH(aq) à Cu(OH)2(s) + 2 NaNO3(aq)­
2 Na OH + CuCl2
The product is copper ii chloride alongwith water, CuO + 2HCl = CuCl2 + H2O
When you mix the solutions of Sodium Hydroxide and barium chloride then a double replecement occurs.2 NaOH + BaCl2 = 2 NaCl + Ba(OH)2
efflorescent- washing soda, copper sulphate, glauber salt deliquescent -calcium chloride, sodium hydroxide, iron3 chloride
When copper (II) ions are combined with ammonia, the substance turns to a deep blue color.