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← ScienceWhich risk increases when conjugated molecules absorb broadband light?
A)Increased singlet oxygen production✓
B)Formation of solvated electrons
C)Direct bond dissociation occurs
D)Excitation of vibrational overtones
💡 Explanation
Photoexcitation promotes intersystem crossing yielding triplet states with unpaired electrons; because the triplet states efficiently undergo energy transfer to oxygen molecules, creating singlet oxygen via electron spin flip, rather than directly breaking the molecule or exciting vibrations under these conditions.
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