What happens when NH4OH is added to CuCl2 first in small amount and then in excess ?
Give balanced chemical reactions.
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It dissolves in ammonium hydroxide forming a deep blue solution .On evaporating of this solution deep blue crystals of tetrammine cupric chloride are obtained.
CuCl2 + 4NH4OH --------------> Cu(NH3)4Cl2.H2O + 3H2O
CuCl2 + 4NH4OH --------------> Cu(NH3)4Cl2.H2O + 3H2O
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