The effective atomic number (EAN) of iron in | vedclass

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(B) The oxidation state of $Fe$ in the complex $[(\eta^5 - C_5H_5) Fe(CO)_2Cl]$ is calculated as follows: Let the oxidation state of $Fe$ be $x$. $x +

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$36$

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(B) The oxidation state of $Fe$ in the complex $[(\eta^5 - C_5H_5) Fe(CO)_2Cl]$ is calculated as follows: Let the oxidation state of $Fe$ be $x$. $x + (-1) + 2(0) + (-1) = 0 \implies x = +2$. Electrons in $Fe^{2+}$ ion = $26 - 2 = 24$. Electrons donated by $\eta^5-C_5H_5^-$ (cyclopentadienyl anion) = $6$. Electrons donated by $2(CO)$ ligands = $2 	imes 2 = 4$. Electrons donated by $Cl^-$ ligand = $2$. Total $EAN = 24 + 6 + 4 + 2 = 36$.

The effective atomic number $(EAN)$ of iron in the complex $[(\eta^5 - C_5H_5) Fe(CO)_2Cl]$ is

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