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Spin angular momentum of an electron has...

Spin angular momentum of an electron has no analog in classical mechanics. however, it turns out that the treatment is closely analogous to the treatment of orbital angular momentum. Spin angular momentum=`sqrt(s(s+1))h/2pi`, Orbital angular momentum = `(l(l+1))h/2pi`- Total spin of `Mn^2+`(Z=25) ion will be

A

`+(3/2)`

B

`-(1/2)`

C

`+(5/2)`

D

`+(7/2)`

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The correct Answer is:
C
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