Which of the following pairs of ions have same paramagnetic moment?

Options

A. `Mn^(2+),Cu^(2+)`
B. `Cu^(2+) , Ti^(3+)`
C. `Ti^(4+) , Cu^(2+)`
D. `Ti^(3+) ,Ni^(2+)`

Answer

B

Explanation

`Cu^(2+) E.C = 3d^(9-)` - one unpaired electron `Ti^(3+) E.C = 3d^1` - one unpaired electron.