Verified Solution • 2025–26 Session moderate

QJEEM13Chb4c6: JEE Main 2013 Chemistry - Class 11 JEEM13Chb4c6 Solution: In which of the following pairs of molecules/ions, both the…

In which of the following pairs of molecules/ions, both the species are not likely to exist?

Multiple Choice Options

  • A H2+H_2^+ , He22−He_2^{2-}
  • B H2−H_2^- , He22−He_2^{2-}
  • C H22+H_2^{2+} , He2He_2
  • D H2−H_2^- , He22+He_2^{2+}

Step-by-Step Verified Solution

H22+H_2^{2+} , He2He_2

Both have zero bond order. Thus, they do not exist.

Related Learning Resources & Exam Preparation