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In any ferric salt on adding potassinum ...

In any ferric salt on adding potassinum ferrocyanide, a prussian blue colour is obtanied, which is mainly due to the formation of

A

`K_(3)[Fe(CN)_(6)]`

B

`Kfe[Fe(CN)_(6)]`

C

`FeSO_(4).Fe(CN)_(6)`

D

`Fe_(4)[Fe(CN)_(6)]_(3)`.

Text Solution

Verified by Experts

The correct Answer is:
B
`underset("Potassium ferrocyanide")(Fe^(3+)+K_(4)[Fe(CN)_(6)])rarrunderset("Prussian blue")(KFe[Fe(CN)_(6)]_(3))+3K^(+)`
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