JEE Main 20249 Apr, Morning shiftChemistryMediumChemical Bonding and Molecular Structure142× since 2002The total number of species from the following in which one unpaired electron is present, is _______. N2,O2,C2−,O2−,O22−,H2+,CN−,He2+\mathrm{N}_2, \mathrm{O}_2, \mathrm{C}_2^{-}, \mathrm{O}_2^{-}, \mathrm{O}_2^{2-}, \mathrm{H}_2^{+}, \mathrm{CN}^{-}, \mathrm{He}_2^{+}N2,O2,C2−,O2−,O22−,H2+,CN−,He2+Your answerType your answer. Integers and decimals are accepted.CheckSkip · show solution
