Question

The number of anti-bonding electron pairs in $O_2^{2-}$- molecular ion on the basis of molecular orbital theory is, (Atomic number of O is 8)
(a) 5
(b) 2
(c) 3
(d) 4

Answer 1

${\huge {\mathfrak {Answer :-}}}$

➡️ Option (B)

That's it..

Answer 2

Option B is correct ✔✔

Thanks