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← ScienceWhich outcome occurs when energy inputs perturb a molecule, exceeding the sp3 orbital stabilisation energy?
A)Altered molecular geometry manifests✓
B)Van der Waals forces increase
C)Ionisation enthalpy decreases
D)Resonance structures are stabilized
💡 Explanation
Altered geometry manifests because electron promotion invokes hybridized orbitals via vibronic coupling, weakening bonds; thus, steric strain reconfigures the molecule rather than a shift in intermolecular or electronic properties under normal conditions.
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