Which one of the following molecule (s) is (are) expected to exhibit diamagnetic behaviour ?

Which one of the following molecule (s) is (are) expected to exhibit

1.	Which one of the following molecule (s) is (are) expected to exhibit diamagnetic behaviour ?
Answer» `S_(2)` `C_(2)` `N_(2)` `O_(2)` SOLUTION :In`C_(2) andN_(2)` , all molecular orbitals are fully FILLED, i.e., there is no UNPAIRED electron PRESENT . HENCE both of them are diamagnetc.