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← ScienceIn a silane coupling agent bonding silica, which mechanism aligns the organic functional group?
A)Molecular orbital symmetry conservation✓
B)Resonance stabilization of the silane
C)Steric hindrance limiting bond rotation
D)Induced dipole-dipole interactions
💡 Explanation
Molecular orbital symmetry conservation dictates the orientation because frontier orbitals interact to minimize energy, therefore favorable alignment occurs rather than random orientation from dipole or steric effects and enhances bonding efficiency.
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