Question

The spin only magnetic moment of $N{i}^{2+}$ (in B.M.) in aqueous solution will be

• A. 1.73
• B. 2.80
• C. 3.42
• D. 2.25

Answer 1

Answer: (B)

Magnetic moment = $\sqrt{n(n+2)}$ B.M for $N{i}^{2+},n=2$
Hence, magnetic moment = $\sqrt{2(2+2)}$
= $\sqrt{8}=2.8$