Fundamentholfundamenthol
JEE Main2019Chemistry
Q.

During the change of O2 to O−2, the incoming electron goes to the orbital :

  1. A

    2px 

  2. B

    2px

  3. C

    2py

  4. D

    2pz

Solution

Electronic configuration of O2 is

When O2 gains an electron to form O2–, the incoming electron goes to or

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