JEE Main 2006Annual, Paper 1ChemistryMediumChemical Bonding and Molecular Structure142× since 2002Which of the following molecules/ions does not contain unpaired electrons?AOption A. O22−O_2^{2−}O22−BOption B. B₂COption C. N2+N_2^+N2+DOption D. O₂CheckSkip · show solution
