Which of the following sets correctly represents the increasing paramagnetic property of the ion?

Options

A. `Cu^(2+) lt V^(2+) lt Cr^(2+) lt Mn^(2+)`
B. `Cu^(2+) lt Cr^(2+) lt Cr^(2+) lt Cu^(2+)`
C. `Mn^(2+) lt V^(2+) lt Cr^(2+) lt Cu^(2+)`
D. `Mn^(2+) lt Cu^(2+) lt Cr^(2+) lt V^(2+)`

Answer

A

Explanation

Paramagnetic property of ion increases with the increase of unpaired electrons.