1.

{:(CuSO_(4)+NH_(4)OH to "Deep blue soluble"),("excesscomplex salt"):} The correct statement regarding the complex is/are :

Answer»

It has square planar geometry.
It is paramagnetic in nature .
It GIVES black PRECIPITATE of `CuS` when treated with `H_(2)S`.
All of these

Solution :`[overset(+2)Cu(NH_(3))_(4)]SO_(4) overset(H_(2)S)to CuSdarr (Black)implies dsp^(2),"square planar (one unparied ELECTRON)"`


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