Which of the following molecular species has unpaired electron(s) ?

N_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

F_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

O_{2}^{-}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

O_{2}^{2 -}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $O_{2}^{-}$
$O_{2}^{-}$ ion has one unpaired electron in the pi antibonding molecular ion. Hence, it is paramagnetic in nature.
In $N_{2}$ , $F_{2}$ and $O_{2}^{2 -}$ all the electrons are paired.

Suggest Corrections

Similar questions

Question 28

Diamagnetic species are those which contain no unpaired electrons. Which among the following are diamagnetic?

(a) $N_{2}$

(b) $N_{2}^{2 -}$

(d) $O_{2}^{2 -}$

In $O_{2}^{-}$ , $O_{2} a n d O_{2}^{2 -}$ molecular species, the total number of anti-bonding electrons respectively are:

O_{2}^{2 +}

O_{2}^{+}

O_{2}

O_{2}^{-}

O_{2}^{2 -}

Join BYJU'S Learning Program