Question
Effective magnetic moment of $S{c^{ + 3}}$ ion is
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Answer
$B.M.\,=$ $\sqrt {n(n + 2)} $ Where $n = $ number of unpaired electron
For $S{c^{3 + }} = 3{d^0},\,n = 0$, $\therefore \,\,\,\mu = 0$
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