Eduprobe
Question:
Which one of the following properties is not shown by NO?
It's bond order is 2.5.
It is diamagnetic in gaseous state.
It is a neutral oxide.
It combines with oxygen to form nitrogen dioxide.
Solution:
NO is paramagnetic in the gaseous state due to the presence of an unpaired electron in its antibonding molecular orbital. Therefore, option B is correct. The statement that NO is diamagnetic is incorrect.