Engineering•Chemistry•MultipleCorrect
Q.61. The correct statements about metal carbonyls are
A. The metal-carbon bonds in metals carbonyls possess both $\sigma$ and $\pi$-character.
B. Due to synergic bonding interactions between metals and CO ligand the metal-carbon bond becomes weak.
C. The metal-carbon $\sigma$ bond is formed by the donation of lone pair of electrons on the carbonyl carbon into a vacant orbital of metal.
D. The metal-carbon $\pi$ bond is formed by the donation of electrons from filled d-orbital of metal into vacant $\pi^*$ orbital of CO.
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