- According to molecular orbital theory, the sigma (σ) molecular orbitals are symmetrical around the bond-axis while pi (π) molecular orbitals are not symmetrical. As z-axis is taken as internuclear axis, 2px and 2py forms π molecular orbitals, hence these are unsymmetrical around the bond-axis
Which one of the following statements is incorrect related to Molecular Orbital Theory?
NEET UG 2023 — Chemistry Inorganic Chemistry
2023mcqmedium
Which one of the following statements is incorrect related to Molecular Orbital Theory?
Official previous-year question
Held on 30 Apr 2023 · Verified 9 Jul 2026.
Options
- A
Molecular orbitals obtained from 2px and 2py orbitals are symmetrical around the bond axis.
- B
A π-bonding molecular orbital has larger electron density above and below the internuclear axis.
- C
The π∗ antibonding molecular orbital has a node between the nuclei.
- D
In the formation of bonding molecular orbital, the two electron waves of the bonding atoms reinforce each other.
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