Question

The use of the name “metallocenes” to describe complexes with the general formula (C₅H₅)₂M is derived from the word “ferrocene”, which in turn was given to the iron containing compound (C₅H₅)₂Fe because its cyclopentadienyl rings exhibited aromatic behavior typical of benzene. Given its name, what type of reactivity (or lack thereof) would be expected for ferrocene? ​

Answer 1

Similar to benzene it is also aromatic due to the presence of 10 1 electrons (Huckle's rule,each cyclopenttadienyl Ring contributes 5 electrons). Similar to benzene it undergo Aromatic Electrophilic Substitution reactions.

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