1.

The value of the 'spin only' magnetic moment for one of the following configurations is 2.82 B.M. The correct one is

Answer»

`d^(5)` (in strong ligand field)
`d^(3)` (in weak as well as in storng FIELDS)
`d^(4)` (in weak ligand fields)
`d^(4)` (in storng ligand fields)

Solution :
`mu=SQRT(N(n+2))=sqrt(3)=1.73` B.M.

`mu=sqrt(3(5))=sqrt(15)=3.87` B.M.
`d^(4)-`in weak ligand field

`mu=sqrt(4(6))=sqrt(24)=4.89 `B.M.

`mu=sqrt(2(4))=sqrt(8)=2.82` B.M.


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