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Question: Answered & Verified by Expert
According to molecular orbital theory, which of the following molecule will not be available?
ChemistryChemical Bonding and Molecular StructureJEE MainJEE Main 2018 (08 Apr)
Options:
  • A H22-
  • B He22+
  • C He2+
  • D H2-
Solution:
2474 Upvotes Verified Answer
The correct answer is: H22-
The electronic configuration of H22 is     σ1s2, σ*1s2



Bond order of H22=Nb-Na2=2-22=0

Hence, H22 does not exist, due to zero bond order.

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