Question

arrange following ions in the increasing of magnetic moment Cr+,V4+,Fe2+,Zn2+.​

Answer 1

The transition metal with more unpaired electrons corresponds to the higher magnetic moment.

V

4+

→4s

0

3d

1

, 1 unpaired electron;

Mn

4+

→4s

0

3d

3

, 3 unpaired electron;

Fe

3+

→4s

0

3d

5

, 5 unpaired electron and

Ni

2+

→4s

0

3d

8

, 2 unpaired electron