1.

Electronic configuration of `[Cu(NH_(3))_(6)]^(2+)` on the basis of crystal field splitting theory isA. `t_(2g)^(4) e_(g)^(5)`B. `t_(2g)^(6) e_(g)^(3)`C. `t_(2g)^(9) e_(g)^(0)`D. `t_(2)^(5) e_(g)^(4)`

Answer» Correct Answer - B
In `[Cu(NH_(3))_(6)]^(2+)` , oxidation state of Cu = + 2 ,
`Cu^(2+) = 3d^(9)`
`3d^(9) = t_(2g)^(6) e_(g)^(3)`


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