Among KO2, AlO−2, BaO2 and NO+2 unpaired electron is present in

Among KO2, AlO−2, BaO2 and NO+2 unpaired electron is present in

Q. Among KO2, AlO2, BaO2 and NO+2 unpaired electron is present in

  1. NO+2 and BaO2
  2. KO2 and AIO2
  3. KG2 only
  4. BaO2 only

Answer: KG2 only

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