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Which of the following system has maximu...

Which of the following system has maximum number of the unpaired electrons in an inner octahedral complex?

A

`d^(4)`

B

`d^9`

C

`d^(7)`

D

`d^(5)`

Text Solution

Verified by Experts

The correct Answer is:
A
In an inner orbital complexes.
`d^(4)-t_(2g)^(4) e_(g)^(0),` g two unpaired electrons
`d^(9)-t_(2g)^(6) e_(g)^(3)`, so one unpaired electrons
`d^(7)-t_(2g)^(6) e_(g)^(1)`, so one unpaired electrons
`d^(5)-t_(2g)^(5) e_(g)^(0)`, so one unpaired electrons
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