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Question

Chemistry Question on Importance and Applications of Coordination Compounds

Which of The following coordination compounds has bridging carbonyl ligand?

A

[Mn2(CO)10][Mn_2(CO)_{10}]

B

[Co2(CO)8][Co_2(CO)_8]

C

[Cr(CO)6][Cr(CO)_6]

D

[Fe(CO)5][Fe(CO)_5]

Answer

[Co2(CO)8][Co_2(CO)_8]

Explanation

Solution

The coordination compound with a bridging carbonyl ligand is [Co2(CO)8].
In this compound, the cobalt atoms are bridged by carbonyl ligands, which means the carbonyl ligands are shared between the two cobalt atoms, forming a bridging structure.
From structure it is clear [Co2(CO)8] has bridging carbonyl ligand.

bridging carbonyl ligand

So, the Correct option is (B): [Co2(CO)8][Co_2(CO)_8]