Transition and Inner Transition Elements — Chemistry STD 12 — Question
Tamilnadu BoardEnglish MediumSTD 12ChemistryTransition and Inner Transition Elements2 Marks
Question
$Cr ^{3+}, Mn ^{4+}, V ^{2+}$ are paramagnetic. Calculate their magnetic moment values.
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Answer
$Cr ^{3+}, Mn ^{4+}, V ^{2+}$ Configuration is $d ^3$. Due to 3 unpaired electrons, they are paramagnetic. $\mu=\sqrt{3(3+2)}=\sqrt{35}=3.87 \mu_{ B }$
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