Back bonding is involved in which of the foll | vedclass

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(D) In organometallic compounds,back bonding is a characteristic feature of metal carbonyls and metallocenes where the metal atom donates electron den

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$[(C_5H_5)_2Fe]$

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(D) In organometallic compounds,back bonding is a characteristic feature of metal carbonyls and metallocenes where the metal atom donates electron density from its filled $d$-orbitals into the vacant antibonding $\pi^*$-orbitals of the ligand.In the case of ferrocene,$[(C_5H_5)_2Fe]$,the $Fe$ atom interacts with the $\pi$-electron system of the cyclopentadienyl rings. The bonding involves the donation of electrons from the ligand to the metal and back-donation from the metal $d$-orbitals to the ligand $\pi^*$-orbitals,which stabilizes the complex.Therefore,back bonding is involved in $[(C_5H_5)_2Fe]$.

Back bonding is involved in which of the following organometallic compounds?

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