The deep blue colour produced on adding excess of ammonia to copper sulphate is due to presence ofA. `Cu (NH_3)_4^(2+)`B. `Cu^(2+)`C. `Cu(NH_3)_2^(2+)`D. `Cu(NH_3)_6^(2+)`

The deep blue colour produced on adding excess of ammonia to copper su

1.	The deep blue colour produced on adding excess of ammonia to copper sulphate is due to presence ofA. `Cu (NH_3)_4^(2+)`B. `Cu^(2+)`C. `Cu(NH_3)_2^(2+)`D. `Cu(NH_3)_6^(2+)`
Answer» Correct Answer - A `CuSO_4` reacts with excess `NH_3` to form `[Cu(NH_3)_4] (OH)_2` with deep blue colour.

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The deep blue colour produced on adding excess of ammonia to copper sulphate is due to presence ofA. `Cu (NH_3)_4^(2+)`B. `Cu^(2+)`C. `Cu(NH_3)_2^(2+)`D. `Cu(NH_3)_6^(2+)`

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