How will you distinguish B_(2) from the following species having same bond order: Li_(2),O_(2)^(2-) and F_(2)?

How will you distinguish B_(2) from the following species having same

1.	How will you distinguish B_(2) from the following species having same bond order: Li_(2),O_(2)^(2-) and F_(2)?
Answer» SOLUTION :`B_(2)` is paramagnetic but `Li_(2),O_(2)^(2-) and F_(2)` are diamagnetic.