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Introduction to d and f Block Elements

Calculate mag...

Question

Calculate magnetic moment of $F e_{(a q)}^{2 +} i o n (Z = 26)$ .

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Solution

The electronic configuration of $F e_{(a q)}^{2 +}$ ion is $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{6} 4 s^{0}$ .
The total number of unpaired electrons, n = 4
Magnetic moment is given by, $μ = \sqrt{n (n + 2)} B . M .$
$= \sqrt{24} B . M .$
$= 4.9 B . M .$

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