JEE Main 2013Session, Shift 1ChemistryEasyChemical Bonding and Molecular Structure142× since 2002In which of the following pairs of molecules/ions, both the species are not likely to exist?AOption A. H2+H_2^+H2+ , He22−He_2^{2-}He22−BOption B. H2−H_2^-H2− , He22−He_2^{2-}He22−COption C. H22+H_2^{2+}H22+ , He2He_2He2DOption D. H2−H_2^-H2− , He22+He_2^{2+}He22+CheckSkip · show solution
