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← ScienceWhich outcome occurs when a triatomic molecule's delocalized π-system exceeds overlap limits?
A)Increased non-bonding electron probability
B)Molecular orbital phase cancellation✓
C)Decreased vibrational energy coupling
D)Enhanced singlet-triplet intersystem crossing
💡 Explanation
Molecular orbital phase cancellation destabilizes the bonding because destructive interference reduces electron density between atoms via ANTI-BONDING. The molecule can then dissociate or bend, rather than maintain its structure, therefore reducing the electronic stabilization of linear structures.
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