Which of the following metal ions has a calculated magnetic moment value of $\sqrt{24}$ B.M?

M n^{2 +}

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F e^{2 +}

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F e^{3 +}

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C O^{2 +}

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Solution

The correct option is A $F e^{2 +}$
$M n^{+ 2} - [A r] 4 s^{0} 3 d^{5} - 5 e^{-}$

$F e^{+ 2} - [A r] 4 s^{0} 3 d^{6} - 4 e^{-} \to μ = \sqrt{4 (4 + 2)} = \sqrt{24} B M$

$F e^{+ 3} - [A r] 4 s^{0} 3 d^{5} - 5 e^{-}$

$C o^{+ 2} - C o^{+ 2} - [A r] 4 s^{0} 3 d^{7} - 3 e^{-}$

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Similar questions

T i^{3 +}, C u^{+}, N i^{2 +}, F e^{3 +}, M n^{2 +}, C o^{2 +}

{[M F_{6}]}^{- x}

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Magnetic moment of which ion is 2.88 BM ?

5.90

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