5. Ni(CO)4 is tetrahedral and [Ni(CN)4]2 is square planar. Answer the following questions and refer to appropriate MO diagrams to explain this. A. Are CO and CN similar ligands? a. b. c. d. Yes, they are both Ï-donors Yes, they are both Ï-acceptors Yes, they both only engage in Ï-bonding No, one is a Ï-acceptor the other a p-donor B. What is the oxidation-state for [Ni(CN)2? C. What is the oxidation-states for Ni(CO)4? D. How many d-electrons does [Ni(CN)2 have? E. How many d-electrons does Ni(CO)4 have? F. Which of the following are true for a d10 ion? Check all that apply. Prefer to be tetrahedral based on LFSE (ligand field stabilization energy) Prefer to be square planar based on LFSE Prefer to be tetrahedral based on sterics Prefer to be square planar based on sterics a. b. c. d. G. Which of the following are true for a d8 ion? Check all that apply. a. Prefer to be tetrahedral based on LFSE b. Prefer to be square planar based on LFSE c. Prefer to be tetrahedral based on sterics d. Prefer to be square planar based on sterics