See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

1.   3 2 6 Co NO      2    3 2 5 Co NO ONO      3    3 2 4 2 Co NO ONO      cis trans 4.    3 2 3 3 Co NO ONO      facial meridonial 5.    3 2 2 4 Co NO ONO      cis trans 6.    3 2 5 Co NO ONO      7.   3 6 Co ONO      Thus there are total 10 isomers for the given complex.