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4.Chemical Bonding and Molecular Structure
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$MOT$ મુજબ, ${O}_{2}^{2-}$માં અયુગ્મિત ઇલેક્ટ્રોન(ઓ)ની સંખ્યા $......$ છે.
A
$1$
B
$0$
C
$2$
D
$3$
(JEE MAIN-2021)
Solution
Molecular orbital configuration of ${O}_{2}^{2-}$ is
$\sigma_{1 {~s}}^{2} \sigma_{1 {~s}}^{*} \sigma_{2 {~s}}^{2} \sigma_{2 {~s}}^{*_{2}}\left(\pi 2 {p}_{{x}}^{2}=\pi 2 {p}_{{y}}^{2}\right)\left(\pi_{2 {px}}^{*}=\pi_{2 {py}}^{*}\right)$
Zero unpaired electron
Standard 11
Chemistry
