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Prussian blue is formed when...

Prussian blue is formed when

A

Ferrous sulphate reacts with `FeCI_(3)`

B

Ferric sulphate reacts with `K_(4)[Fe(CN)_(6)]`

C

Ferrous ammonium sulphate reacts with `FeCI_(3)`

D

Ammonium sulphate reacts with `FeCI_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B

`Fe(SO_(4))_(3)(rarr)2Fe^(3+)+3SO_(4)^(2-)`
`K_(4)[(Fe(CN))_(6)]+2Fe^(3+)(rarr)Fe_(4)underset("Prusion blue")[(Fe(CN)_(6)]_(3)`
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