Which one of the following statements is corr | vedclass

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(A) In crystal field theory,the distribution of electrons in $d$-orbitals depends on the relative magnitude of crystal field splitting energy $(\Delta

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When $\Delta_0 > P$,low-spin complex forms

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(A) In crystal field theory,the distribution of electrons in $d$-orbitals depends on the relative magnitude of crystal field splitting energy $(\Delta_0)$ and pairing energy $(P)$.When $\Delta_0 > P$,the energy required to pair electrons is less than the energy required to promote an electron to the higher energy $e_g$ orbital.Therefore,electrons prefer to pair up in the $t_{2g}$ orbitals,resulting in the formation of low-spin complexes.Conversely,when $\Delta_0 < P$,electrons occupy the higher energy $e_g$ orbitals before pairing,resulting in high-spin complexes.

Which one of the following statements is correct for $d^4$ ions $(P = \text{pairing energy})$?

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