(a) Explain clearly why, under the influence of an octahedral crystal field, the energy of...

(a) Explain clearly why, under the influence of an octahedral crystal field, the energy of the cLi orbital is raised whereas that of the dxz orbital is lowered. State how the energies of the other three d orbitals are affected. With respect lo what are the orbital energies raised or lowered?

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(b) What is the expected ordering of values of Aocl . for [Fe(OH2)6]2+, [Fe(CN)3- and [Fe(CN)6]4-?

Rationalize your answer.

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(c) Would you expect there to be an orbital contribution to the magnetic moment of a tetrahedral c/8 complex? Give an explanation for your answer.