alleryCrystal field splitting for d-orbitals in octahedral field. The five d orbitals split into:
AAll equal
B3 (lower, t₂g) + 2 (higher, e_g)
C2 + 3 with e_g higher
D2 sets of 2 + 1
Answer & Solution
Correct answer: B. 3 (lower, t₂g) + 2 (higher, e_g)
Octahedral: t₂g (dxy, dyz, dxz — between axes, lower energy) and e_g (dz², dx²-y² — along axes, higher energy because they point toward ligands). Energy gap Δ_o (CFSE).
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