Question

Which of the following ion has same number of unpaired electrons as that of $V^{3+}$ ion?

• A. Cr${}^{+}$
• B. Mn${}^{+2}$
• C. Ni${}^{+2}$
• D. Fe${}^{+3}$

Answer 1

The correct option is C Ni${}^{+2}$

Both $V^{3+}$ and $N{i}^{2+}$ has two unpaired electrons.