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Question: Answered & Verified by Expert
Oxidation number Fe in $\left.\mathrm{K}_3[\mathrm{Fe(CN)}_6\right]$ is
ChemistryCoordination CompoundsJIPMERJIPMER 2004
Options:
  • A +1
  • B +2
  • C +3
  • D +4
Solution:
1909 Upvotes Verified Answer
The correct answer is: +3
Let, oxidation number of Fe be ' $x$ '
$\begin{aligned} \therefore \quad 3(+1)+x+6(-1) & =0 \\ 3+x-6 & =0 \\ x & =+3\end{aligned}$

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