Which one of the following sets correctly represents the increase in the paramagnetic property of the ions ?

Options

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

Answer

A