The degenerate orbitals of   are
             
 
                
                  
Crystal field splitting in octahedral complex -
 orbitals are more energetic as compared to 
- wherein

CFSE in octahedral complex -
-
 : degenerate orbitals =?
Which after CFS bliching energy
divided into 2-set of degenerate orbitals-  & 
.
From option given degenerate orbitals are -  & 
.
             
 
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