Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETChemistryChemical Bonding and Molecular Structure

Why the Be 2 molecule does not exist according to molecular orbital theory?

Options

  1. AThe molecular orbital theory suggests that Be 2 does exist because it forms a stable bonding molecular orbital
  2. BAccording to molecular orbital theory, Be 2 does not exist because the 2s atomic orbitals of two beryllium ato
  3. CBe 2 exists because it forms a strong pi (π) bond due to the overlap of 2p atomic orbitals.
  4. DMolecular orbital theory is not applicable to the analysis of the Be 2 molecule.

Correct answer

B. According to molecular orbital theory, Be 2 does not exist because the 2s atomic orbitals of two beryllium ato

Step-by-step solution

Correct Option is : (B) According to molecular orbital theory, Be 2 does not exist because the 2s atomic orbitals of two beryllium atoms do not effectively overlap to form a stable molecular orbital.

Practice Chemical Bonding and Molecular Structure on Quantrex Academy →

More from Chemical Bonding and Molecular Structure

Which of the following molecules shows sp ^3 d hybridisation? 2026Identify a pair of molecules having zero dipole moment. 2026Identify the correct decreasing order of lattice enthalpy for metal fluorides from following. 2026Which of the following bonds is expected to be the most polar? 2026Which of the following species is paramagnetic? 2026What is the number of bonding and antibonding electrons, respectively, in Li ₂ molecule? 2026What is the number of electrons in bonding molecular orbitals and antibonding molecular orbitals respectively in F ₂ molecule? 2026Identify the hybridization in BF ₃ molecule. 2026 Full Chemical Bonding and Molecular Structure list All NEET PYQs