1.

K_(4)[Fe(CN)_(6)]+M^(x+)(aq.)to underset("Coloured precipitate")(M_(4)[Fe(CN)_(6)]_(x)darr) Which of the following cation does not respond to the above reaction?

Answer»

`CU^(2+)(aq.)`
`FE^(3+)(aq.)`
`ZN^(2+)(aq.)`
None of these

Solution :`K_(4)[Fe(CN)_(6)]+Zn^(2+)(aq.)tounderset(("White ppt."))(Zn_(2)[Fe(CN)_(6)]darr)`


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