Relative to the average enerage in the spherical crystal field the `t_(2g)` orbitals in tetrahedral field is .

Options

A. Reised `(2//5)Delta_(t)`
B. Lowered by `(2//5)Delta_(t)`
C. Reised `(3//5)Delta_(t)`
D. Lowered by `(1//5)Delta_(t)`

Answer

A

Explanation

`t_(ag)` orbitals have higher energy by `(2 //5)Delta_(t)` .