STANDARDChemistry-Chemical Bonding and Molecular Structure
STANDARD Chemistry Molecular Orbital Theory MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements is not correct from the view point of molecular orbital theory?
A
Be₂ is not a stable molecule.
B
He₂ is not stable but He₂⁺ is expected to exist.
C
Bond strength of N₂ is maximum amongst the homonuclear diatomic molecules belonging to the second period.
D
The order of energies of molecular orbitals in N₂ molecule is σ2s < σ2s < σ2p_z < (π2p_x = π2p_y) < (π2p_x = π2p_y) < σ2p_z
Correct Answer
Option D
Detailed Explanation
The correct order of energies of molecular orbitals in N₂ molecule is KΚσ2s < σ2s < (π2p_x = π2p_y) < σ2p_z < (π2p_x = π2p_y) < σ2p_z.
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