Assume the $E A N$ of the metal in the complex $[F e (C_{2} O_{4})_{3}]^{3 -}$ is $7 X$ . Find the value of $X$ .

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Solution

Here Fe is in $+ 3$ oxidation state and $C_{2} O_{4}^{2 -}$ is bidentate ligand.

So,

EAN $= (26 - 3) + (3 \times 4) = 35 = 7 X$

$\Rightarrow X = 5$

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