Question

Which of the following ions has the same number of unpaired electrons as present in `V^(3+)`?
A. `Ti^(3+)`
B. `Fe^(3+)`
C. `Ni^(2+)`
D. `Cr^(3+)`

Answer 1

Correct Answer - C
Both `V^(3+)` (`3d^(2)` configuration) and `Ni^(2+)` (`3d^(8)` configuration) have two unpaired electrons.