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The spin only magnetic moment of 4.90 B....

The spin only magnetic moment of 4.90 B.M. is shown by

A

`V^(2+)` and `Fe^(2+)`

B

`Cr^(2+)` and `Ni^(2+)`

C

`Fe^(2+)` and `Cr^(2+)`

D

`Co^(2+)` and `V^(2+)`

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