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Question: Answered & Verified by Expert
The number of bridging CO ligand(s) and Co-Co bond(s) in $\mathrm{Co}_{2}(\mathrm{CO})_{8},$ respectively are:
ChemistryCoordination CompoundsJEE MainJEE Main 2019 (11 Jan Shift 2)
Options:
  • A 2 and 1
  • B 2 and 0
  • C 0 and 2
  • D 4 and 0
Solution:
2736 Upvotes Verified Answer
The correct answer is: 2 and 1
The structure of $\mathrm{Co}_{2}(\mathrm{CO})_{8}$ is represented as




It contains two bridging CO ligands and one metal - metal $(\mathrm{Co}-\mathrm{Co})$ bond

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