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← ScienceWhich effect increases when molecular orbital overlap declines?
A)Förster resonance energy transfer weakens✓
B)Singlet fission efficiency increases sharply
C)Internal conversion rate gets larger
D)Intersystem crossing is slightly increased
💡 Explanation
Reduced overlap decreases electronic coupling vital for electronic energy transfer via Förster resonance, because the dipole-dipole interaction weakens, therefore the transfer diminishes rather than the energy being more rapidly converted through other mechanisms.
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