The IUPAC name of the complex [(CO)3Fe(CO)3Fe(CO)3] is:
A
nonacarbonyldiiron (0)
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B
tricarbonyliron (0)-m-tricarbonyl iron (0)
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C
hexacarbonyliron (0)-m-tricarbonyl iron (0)
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D
tri- μ -carbonylbis(tricarbonyliron (0))
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Solution
The correct option is D tri- μ -carbonylbis(tricarbonyliron (0)) The bridging ligands which link the two metal atoms together are indicated by the prefix −μ−.
If there are two or more bridging groups of the same kind, this is indicated by di−μ− , tri−μ− etc.
As carbonyl is a neutral ligand oxidation number of metal (Fe) will be zero.