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MCQ
What is the crystal field stabilization energy (CFSE) for a d6 low-spin octahedral complex?
Chemistry
A -0.4 Delta_o
B -1.6 Delta_o + 2P
C -2.4 Delta_o + 3P
D -0.8 Delta_o
Explanation

Low-spin d6: t2g6 eg0. CFSE = 6(-0.4 Delta_o) + 0(+0.6 Delta_o) = -2.4 Delta_o, with 3 pairing energies (P) required for pairing all six electrons in t2g.

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