$\left[\mathrm{Mn}_2(\mathrm{CO})_{10}\right]$ and $\left[\mathrm{Co}_2(\mathrm{CO})_8\right]$ structures have A. Metal-Metal linkage B. Terminal CO groups C. Bridging CO groups D. Metal in zero oxidation state Choose the correct answer from the options given below

• A

  Only A, B, C
• B

  Only B, C, D
• C

  Only A, C, D
• Correct answer
  D

  Only A, B, D

Solution

A. Metal-Metal linkage present. B. Terminal CO groups are present C. In $\left[\mathrm{Mn}_2(\mathrm{CO})_{10}\right]$ bridging CO groups are not present. D. Metal is in zero oxidation state.

Hence, the correct answer is option: 'D'.