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4.Chemical Bonding and Molecular Structure
hard
The number of antibonding electron pairs in $O_2^{2 - }$ molecular ion on the basis of molecular orbital theory is
A
$4$
B
$3$
C
$2$
D
$5$
Solution
(a) $O_2^{2 – }$ consist of four antibonding electron pair
$1s$ and $2s$ have two antibonding and $2{p_x}2{p_y}$ have two antibonding electron pair.
Standard 11
Chemistry
