EAN rule is followed by $K_{4} [F e (C N)]$ complex.

True

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False

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Solution

The correct option is A True
EAN rule is followed by every complex. In $K_{4} [F e (C N)]$ , oxidation state of $F e : x - 1 = 4 \Rightarrow x = - 3$
Means it has $3$ more electrons: $26 + 3 = 29$ electrons.
$E A N = 29 + 2$ electrons from $C N = 31$ electrons

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