Transition and Inner Transition Elements — Chemistry STD 12 — Question
Tamilnadu BoardEnglish MediumSTD 12ChemistryTransition and Inner Transition Elements2 Marks
Question
$Mn ^{2+}, Fe ^{3+}$ have high magnetic moment. Prove it.
✓
Answer
1. $Mn ^{2+}, Fe ^{3+}$ configuration is $d ^5$. 2. $\mu=\sqrt{5(5+2)}=\sqrt{35}=5.916 \mu_{ B }$ Among $3 d$ series, $Mn ^{2+}, Fe ^{3+}$ have high magnetic moment as $5.916 \mu_{ B }$.
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