Select the best choice in each of the following and briefly justify the reason for your selection. a. Shortest C-0 bond: Ni(CO)4 [Co(CO)4] [Fe(CO)4]2 b. Highest C-0 stretching frequency: Ni(CO)3(PH3) Ni(CO)3(PF3) c. Strongest a acceptor ligand: NO- 0, 0, 0,2- d. Shortest M–C bond: W(CO), [Re(CO),J* [Os(CO),J²* [Ir(CO),J*

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Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.