Among KO_(2),AlO_(2)^(-),BaO_(2)andNO_(2)^(+), unpaired electron is pr – InterviewSolution

1.	Among KO_(2),AlO_(2)^(-),BaO_(2)andNO_(2)^(+), unpaired electron is present in :
Answer» `NO_(2)^(+)andBaO_(2)` `KO_(2)andAlO_(2)^(-)` `KO_(2)` only `BaO_(2)` only Answer :C

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