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When an aqueous solution of copper (II) ...

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:

A

`[Cu(NH_(3))_(4)]SO_(4) . H_(2)O` (square planar)

B

`[Cu(NH_(3))_(4)]SO_(4)` (Tetrahedral)

C

`[Cu(NH_(3))_(6)]SO_(4)` (Octahedral)

D

`[Cu(SO_(4))(NH_(3))_(5)]` (Octahedral)

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The correct Answer is:
A
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