Determine the EAN of the central metal in the stable organometallic compound Ferrocene, . (Atomic nu — Coordination Compounds Chemistry Question
Question
Determine the EAN of the central metal in the stable organometallic compound Ferrocene, $Fe(\eta^5-C_5H_5)_2$. (Atomic number of Fe = 26)
Answer: C
💡 Solution & Explanation
Iron is in the $+2$ oxidation state. Each cyclopentadienyl anion ($\eta^5-C_5H_5^-$) acts as a 6- $\pi$ electron donor. $EAN = 26 - 2 + 2(6) = 36$.
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