1.

When ammonia is added to cupric salt solution, the deep blue colour is observed it is due to the formation of:

Answer»

`[CU(OH)_(4)]^(2-)`
`[Cu(NH_(3))_(4)]^(2+)`
`[Cu(H_(2)O)_(2)(NH_(3))_(2)]^(2+)`
`[Cu(H_(2)O)_(4)]^(2-)`

ANSWER :B


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