Chemistry · 2019
JEE Main · 10 April 2019, Shift 1 · Q54
During the change of O_2 to O_2^-, the incoming electron goes to the orbital:
During the change of $\displaystyle \mathrm{O}_2$ to $\displaystyle \mathrm{O}_2^{-}$, the incoming electron goes to the orbital :
Official answer
(2)
$\displaystyle \pi^* 2 \mathrm{p}_x$
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