Iron(III) forms an octahedral complex with the ligand CN^-. How many unpaired electrons are in the d orbitals of iron? A) 1 B) 3 C) 5 D) 7 E) 9

Name: Iron(III) forms an octahedral complex with the ligand CN - . How many unpaired electrons are in the d orbitals of iron? A) 1 B) 3 C) 5 D) 7 E) 9
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Iron(III) has a d^5 electron configuration. In the presence of the strong field ligand CN^-, the electrons pair up in the lower energy t2g orbitals, leaving one unpaired electron.

Iron(III) Forms an Octahedral Complex with the Ligand CN-

Iron(III) Forms an Octahedral Complex with the Ligand CN^-