MCQ
An aqueous solution containing Vx+ ion has magnetic moment equal to $\sqrt{15\text{BM}}$ Therefore, the x is:
- A5
- B2
- C3
- D4
✓
Answer
- 2
Explanation:
Let n be the number of unpaired electrons.
Magnetic moment $=\sqrt{\text{n(n+2)}}=\sqrt{15}$
⇒ n = 3
Atomic number of Vanadium is 23. So, it must loose all its 4s electrons to get 3 unpaired d electrons.
$\therefore$ value of x will be 2
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