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Fe(2)(CO)(9) is diamagnetic. Which of th...

`Fe_(2)(CO)_(9)` is diamagnetic. Which of the following reasons is correct?

A

One CO is present as bridge group

B

CO is a `pi`-acceptor ligand

C

CO can form `pi`-bond with Fe by back bonding

D

Metal-metal (Fe-Fe) bonding takes place.

Text Solution

Verified by Experts

The correct Answer is:
D
Metal-metal bonding pairs up the unpaired electron.
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