A) half filled \[f\]-orbitals
B) half filled d-orbitals
C) "completely filled \[f\]-orbitals
D) completely filled d-orbitals
Correct Answer: B
Solution :
Key Idea Half-filled or completely filled orbitals are quite stable than incompletely filled orbitals. The atomic number of iron is 26 and its electronic configuration is \[3{{d}^{6}}\,4{{s}^{2}}\]. In ferric ion d-orbital is half filled therefore, the stability of ferric ion is due to half filled d-orbitals.You need to login to perform this action.
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