ChemistryEasy42×since 2002Q354In which of the following pairs of molecules/ions, both the species are not likely to exist?AH2+H_2^+H2+ , He22−He_2^{2-}He22−BH2−H_2^-H2− , He22−He_2^{2-}He22−CH22+H_2^{2+}H22+ , He2He_2He2DH2−H_2^-H2− , He22+He_2^{2+}He22+Check answerSkip