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← ScienceWhich consequence results when steric interactions distort sigma molecular orbitals?
A)Increased reaction activation energy✓
B)Decreased vibrational mode frequency
C)Enhanced electron tunneling probability
D)Reduced bond dipole moment
💡 Explanation
Distorted sigma orbitals in sterically hindered molecules increase their energy; Orbital Destabilization raises the transition state energy because more energy is needed to achieve the necessary geometry for reaction; therefore, the activation energy is increased rather than other energetic options.
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