Question

No. of paired electrons in o2 molecule

Answer 1

Since The question is for an O2 molecule therefore ,14 is the answer
since the configuration is 1s2, 2s2 ,2p4.
Hope that helps.

Answer 2

No. of paired electrons in $O_2$ molecule is 14.

Option (c).

Explanation:

• The oxygen’s electronic configuration is  $1s^2, 2s^2, 2p^4.$.

• When two individual oxygen molecules bonded and combined together it will form the oxygen $O_2$ molecule.

• According to the Molecular Orbital Theory, when the two oxygen atoms are bonded, the electrons from each oxygen atom will gets paired from the lower energy level to higher energy level.

• But on pairing in the order from the low to high energy level, two electrons will remain unpaired due to lack of electrons which we need to get them paired.

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