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← ScienceWhich consequence results when steric hindrance inhibits electron delocalization?
A)Increased ground state orbital energy✓
B)Enhanced transition state stabilization rate
C)Decreased bond dissociation enthalpy
D)Stabilized frontier molecular orbital symmetry
💡 Explanation
Increased steric hindrance reduces coplanarity needed for electron delocalization, causing the ground state energy to increase. This destabilization results because reduced orbital overlap raises the energy level of filled orbitals, therefore ground state orbital energy rises, rather than other effects observed under different electronic perturbations.
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