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Question:

In the complex acetylbromidodicarbonylbis(triethylphosphine) iron (II), the number of Fe-C bond(S) is:

Solution:

In the complex acetylbromidodicarbonylbis(triethyl phosphine) iron (II), the number of Fe-C bonds (S) is 3. The complex is [FeBr(CH3CO)(CO)2(PEt3)2]+. The Fe-C bonds are present between Fe metal and C atoms of one CH3CO ligand and two CO ligands.