Question

Low spin complex of d⁶-cation in an octahedral field will have the following energy :
(a) $\frac{-12}{5} \Delta_0 + P$
(b) $\frac{-12}{5} \Delta_0 + 3P$
(c) $\frac{-2}{5} \Delta_0 + 2P$
(d) $\frac{-2}{5} \Delta_0 + P$
($\Delta_0$= Crystal Field Splitting Energy in an octahedral field, P = Electron pairing energy)

Answer 1

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(b) $\frac{-12}{5} \Delta_0 + 3P$