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Question:

Which of the following is an example of homoleptic complex?

[Co(NH3)6]Cl3

[Pt(NH3)2Cl2]

[Co(NH3)4Cl2]

[Co(NH3)5Cl]Cl2

Solution:

Homoleptic complexes are compounds in which all the ligands bound to the metal center are identical. Homoleptic complexes have only one type of ligand. So option A, [Co(NH3)6]Cl3, has the same ammonia ligand throughout.