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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:
D
`underset("Pot. ferrocyanide")(3K_(4)[Fe(CN)_(6)]+4FeCl_(3) rarr underset(underset("(Prussian blue)") ("Ferri ferrocyanide"))(Fe_(4)[Fe(CN)_(6)]_(3)+12 KCl)`
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ERRORLESS -COORDINATION CHEMISTRY-ORDINARY THINKING Objective Questions (COMPLEXES AND COMPLEX STABILITY)
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  15. Which of these statements about [Co(CN)6]^(3-) is true?

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