MCQ
During change of $O_2$ to $O_2^-$ ion, the electron adds on which one of the following orbitals?
- ✓$\pi ^*$ orbital
- B$\pi$ orbital
- C$\sigma ^*$ orbital
- D$\sigma$ orbital
✓
Answer
Correct option: A.
$\pi ^*$ orbital
a
configuration of $O_{2}^{-}$ is
configuration of $O_{2}^{-}$ is
$K K \sigma(2 s)^{2} \sigma^{*}(2 s)^{2} \sigma(2 p z)^{2} \pi(2 p x)^{2} \pi(2 p y)^{2} \pi^{*}(2 p x)^{2} \pi^{*}(2 p y)^{1}$
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