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If magnetic moment of [MnBr(4)]^(2-) is ...

If magnetic moment of `[MnBr_(4)]^(2-)` is 5.9 BM. Predict the number of electrons?

A

2

B

3

C

6

D

5

Text Solution

Verified by Experts

The correct Answer is:
D
Magnetic moment can be calculated by using the relation `sqrt(n(n+2)B.M.)` where n=number of electrons and B.M. is Bohr magneton.
`therefore 5.9=sqrt(n(n+2))`
`therefore n=5`.
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