1.

The deep blue complex produced by adding excess of Ammonia to CuSO_(4) solution is

Answer»

`[CU(NH_3)_2]^(2+)`
`[Cu(NH_3)_4]^(2+)`
`[Cu(NH_3)_6]^(2+)`
`[Cu(NH_3)_4]^(+)`

ANSWER :B


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