Bonding in Coordination Compounds — Prelims Questions

Which of the following coordination complexes is diamagnetic and square planar?

The crystal field stabilization energy (CFSE) for a high spin $d^7$ octahedral complex is:

Which of the following ligands is expected to cause the largest crystal field splitting (\\Delta) in an octahedral complex with a given metal ion?

An octahedral complex of a $3d$ metal ion has a magnetic moment of $1.73$ BM. What is the d-electron configuration of the metal ion?

Which of the following statements about Crystal Field Theory (CFT) is incorrect?

Consider the complex ion $[Fe(H_2O)_6]^{2+}$. What is its magnetic moment (spin-only) and hybridization?