KVPY SX SB Exam 20141 Question Paper

Question : 60 of 120

Marks: +1, -0

The energies of d

_\xy

and d

_z^2

orbitals in octahedral and tetrahedral transition metal complexes are such that

E (d $_\xy$ ) > E (d $_z^2$ ) in both tetrahedral and octahedral complexes
E (d $_\xy$ ) < E (d $_z^2$ ) in both tetrahedral and octahedral complexes
E (d $_\xy$ ) > E (d $_z^2$ ) in tetrahedral but E (d $_\xy$ ) < E (d $_z^2$ ) in octahedral complexes
E (d $_\xy$ ) < E (d $_z^2$ ) in tetrahedral but )E (d $_\xy$ ) > E (d $_z^2$ ) in octahedral complexes

Solution:

Energy of

d_{z^2}

is greater than dxy in case of octahedral crystal field while energy of

d_{z^2}

is less than

d_\xy

in case of tetrahedral splitting

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