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What is the oxidation state of Fe in the...

What is the oxidation state of Fe in the product formed when acidified potassium ferrocyanide is treated with `H_(2)O_(2)`?

A

2

B

3

C

6

D

4

Text Solution

Verified by Experts

The correct Answer is:
(b)
When acidified potassium ferrocyanide is treated with `H_(2)O_(2)` the following reaction occurs.
`2K_(4)[Fe(CN)_(6)] + H_(2)SO_(4) + H_(2)O̟_(2) rarr 2K_(3)[FeCN_(6)] + K_(2)SO_(4) + 2H_(2)O`
Therefore, the product formed is` K_(3)[Fe(CN)_(6)]`
In` K_(3)[Fe(CN)_(6)]`oxidation state of Fe is determined as,
3 + x + (-6) = 0
`:. x = 3`
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