JEE Mains · Chemistry · STD 12 - 4. d and f- block elements
The spin only magnetic moments (in \(BM\)) for free \(\mathrm{Ti}^{3+}, \mathrm{V}^{2+}\) and \(\mathrm{Sc}^{3+}\) ions respectively are (At.No. \(Sc: 21; Ti : 22; V : 23)\)
- A \(1.73,3.87,0\)
- B \(0,3.87,1.73\)
- C \(3.87,1.73,0\)
- D \(1.73,0,3.87\)
Answer & Solution
Correct Answer
(A) \(1.73,3.87,0\)
Step-by-step Solution
Detailed explanation
\(\mu=\sqrt{n(n+2)} B M\) \(n=\) number of unpaired electrons \(T_{i}^{i+3}=\text { Ar }] 3 d^{1} \quad \quad\quad n=1 \quad \quad \mu=1.73\, \mathrm{BM}\) \(\mathrm{V}^{+2}= \text { [Ar]3d }^{3} \quad \quad \quad \mathrm{n}=3 \quad \quad \mu=3.87\, \mathrm{BM}\)…
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