A) electron repulsion outweighs the stability gained by achieving noble gas configuration
B) \[{{O}^{-}}\] ion has comparatively smaller size than oxygen atom
C) Oxygen is more electronegative
D) addition of electron in oxygen result in large size of the ion
Correct Answer: A
Solution :
Since, electron repulsion predominate over the stability gained by achieving noble gas configuration. Hence, formation of \[{{O}^{2-}}\] in gas phase is unfavourable.You need to login to perform this action.
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