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The magnetic moment of a transition meta...

The magnetic moment of a transition metal is ` sqrt(15)` B.M . Find out the number of unpaired electrons in it .

A

4

B

1

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
D
Magnetic moment `= sqrt(n(n+2))`
where, `n=` no. of unpaired electrons.
given, `mu= sqrt(15) :. sqrt(15) = sqrt(n(n+2))implies 15= n(n+2)`
This is possible only when `n=3`
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