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K3[Fe(CN)6] is used in the detection of ...

`K_3[Fe(CN)_6]` is used in the detection of `Fe^(2+)` ion with which is gives a deep blue colour. This colour is due to the formation of

A

`K_2Fe(Fe(CN)_6]`

B

`Fe_4[Fe(CN)_6]_3`

C

`Fe[Fe(CN)_6]`

D

`Fe_3[Fe(CN)_6]_2`

Text Solution

Verified by Experts

The correct Answer is:
D
`Fe^(+2) + K_3 [Fe(CN)_6] rarr Fe_3 [Fe(CN)_6]_2`
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