which of the following group of ion is paramagnetic in nature:

Options

A. `Cr^(+),Zn^(2+),Sc^(3+)`
B. `Mn^(2+),Fe^(3+),Ni^(2+)`
C. `Cr^(2+),Mn^(3+),Sc^(3+)`
D. `Cr^(2+),Ni^(2+),Ti^(4+)`

Answer

B