Which of following ion has the maximum theoretical magnetic moment?
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$Fe^{3+}n = 5 ($unparied electrons$)$
$\therefore\mu=\sqrt{\text{n(n+2)}\text{BM}}$
$=\sqrt{5(5+2)}$
$=\sqrt{35}=5.91\text{BM}$
$\therefore\mu=\sqrt{\text{n(n+2)}\text{BM}}$
$=\sqrt{5(5+2)}$
$=\sqrt{35}=5.91\text{BM}$
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