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The complex(es) which is /are blue in c...

The complex(es) which is /are blue in colour

A

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

B

`Zn_(2)[Fe(CN)_(6)]`

C

`Cu_(2)[Fe(CN)_(6)]`

D

`Fe_(3)[Fe(CN)_(6)]_(2)`

Text Solution

Verified by Experts

(a) `Fe_(4)[Fe(CN)_(6)]_(3)`-Ferric ferrocyanide-(Prussian blue)
(b) `Zn_(2)[Fe(CN)_(6)]`,-Zinc ferrocyanide-(Blueish white ppt)
c) `Cu_(2)[Fe(CN)_(6)]`- Copper ferrocyanide -(Chocolate brown ppt)
d) `Fe_(3)[Fe(CN)_(6)]_(2)`- Ferroferric cyanide- (Tumbull.s blue)
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