The electronic configuration of few transition metal ions are as under
(A)`Ti^(+3) (d^1)` , (B) `Co^(2+) (d^7)` , (C ) `Ni^(2+) (d^8)`
Increasing order of paramagnetic character is

Options

A. A,C,B
B. B,C,A
C. A,B,C
D. C,B,A

Answer

A

Explanation

`{:(,Ti^(3+)to,3d^1,Co^(2+) to , 3d^7 , Ni^(3+) to , 3d^8),("unpaired",e^(-) ,1,,2,,3) :}`