NTA Abhyas NEET2020ChemistryChemical Bonding and Molecular StructurePractice
Which of the following species is not expected to exist?
Options
- AH e 2 +
- BH 2 +
- CB e 2
- DB e 2 +
Correct answer
C. B e 2
Step-by-step solution
B e 2 - 8 electrons σ 1 s 2 σ * 1 s 2 σ 2 s 2 σ * 2 s 2 , bond order is 0. So it doesn't exist.