1.

K_(4)[Fe(CN)_(6)] can beusedto detectoneormoreout of Fe^(2+),Fe^(3+),Zn^(2+),Cu^(2+),Cd^(2+)

Answer»

`Fe^(2+),Fe^(3+)`
`Fe^(3+),ZN^(+),Cu^(2+)`
all but `Fe^(2+)`
all but `Fe^(2+)`

Answer :d


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