Solve this following


During the change of $\mathrm{O}_{2}$ to $\mathrm{O}_{2}^{-}$, the incoming electron goes to the orbital:


  1. $\sigma^{*} 2 P_{z}$

  2. $\pi^{2} \mathrm{P}_{\mathrm{y}}$

  3. $\pi^{2} 2 \mathrm{P}_{\mathrm{x}}$

  4. $\pi^{2} \mathrm{P}_{x}$

Correct Option: , 3


Molecular orbital diagram of $\mathrm{O}_{2}$ is

An incoming electron will go in $\pi_{2 p_{x}}^{*}$ orbital.

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