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The magnetic moment of a transition meta...

The magnetic moment of a transition metal ion is 3.87BM. The number of unpaired electrons present in it is

A

2

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
B
The magnetic moment is given by `sqrt(n(n+2))` where n is the number of unpaired electrons
Taking `sqrt(n(n+2))=3.87` BM
n(n+ 2) = 15
n=3 Hence the specie has 3 unpaired electrons.
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