Which of the following is not paramagnetic-

Options

A. `N_(2)^(+)`
B. `Li_(2)`
C. `O_(2)`
D. `H_(2)^(+)`

Answer

B

Explanation

`Li_(2):(sigma_(1s))^(2)(sigma_(1s)^(**))^(2)(sigma_(2s))^(2)`, does not have any unpaired electron.