Choose the incorrect statement :

Options

A. `FeSO_(4)` solution mixed with `(NH_(4))_(2)SO_(4)` solution in `1:1` molar ratio gives test of `Fe^(2+)` ion
B. `CuSO_(4)` solution mixed with aqueous ammonia in `1:1` molar ratio gives test of `Cu^(2+)` ion
C. `Aq.CuSO_(4)` solution (blue in colour) gives a green precipitate with aqueous potassium fluoride
D. `Aq.CuSO_(4)` solution (blue in colour) gives a bright green solution with aqueous potassium chloride

Answer

B

Explanation

`CuSO_(4)+4NH_(3) to [Cu(NH_(3))]SO_(4)`