When an aqueous solution of copper (II) sulphate is saturated with ammonia

CHEMISTRY · Single correct · CBSE · Chemistry · Coordination Compounds · Coordination Compounds

Problem

When an aqueous solution of copper (II) sulphate is saturated with ammonia, the blue compound crystallises on evaporation. The formula of this blue compound is : (1) [Cu(NH3)4]SO4⋅H2O[\text{Cu}(\text{NH}_3)_4]\text{SO}_4 \cdot \text{H}_2\text{O} (square planar) (2) [Cu(NH3)4]SO4[\text{Cu}(\text{NH}_3)_4]\text{SO}_4 (Tetrahedral) (3) [Cu(NH3)6]SO4[\text{Cu}(\text{NH}_3)_6]\text{SO}_4 (Octahedral) (4) [Cu(SO4)(NH3)5][\text{Cu}(\text{SO}_4)(\text{NH}_3)_5] (Octahedral)

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