Question- Part 1) Crystal field splitting has what effect on d orbital energies? What effect does this have on the appearance of complex ions?

Part 2) How many unpaired electrons would be in [FeF 6 ] - 3 ? In [Fe(CN) 6 ] - 3 ? Why is there a difference?

Part 3) Provide transition metal oxidation state, number of electrons, and the correct name for each of the following complexes:

a) [Pt(NH 3 ) 4 ](ClO 4 ) 2

b) [ ReH 9 ] - 2 (think about the ox. State of H)

c) Na 2 [Fe(CO) 4 ]

d) [IrF 6 ] - 3

e) K 3 [Fe(CN) 6 ]

f) [PtCl 2 (NH 3 ) 2 ]

I need help for above question. Show each steps for the above problem.