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Which one of the following prussian blu...

Which one of the following prussian blue colour ?

A

`Fe_2[Fe(CN)_6]`

B

` Na_4[Fe(CN)_6]`

C

`Fe_3{Fe(CN)_6]_3`

D

`Fe[Fe(CN)_6]_3`

Text Solution

Verified by Experts

The correct Answer is:
(d)
Ferric salts react with potassium ferrocyanide to form blue pecipitate.
`4FeCl_3+3K_4[Fe(CN)_6]to Fe[Fe(CN)_6]_3+ 12KCl`
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