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Which consequence results when quenching molecular orbitals in photochemistry?

A)Increased fluorescence quantum yield
B)Suppressed intersystem crossing events
C)Reduced phosphorescence intensity
D)Enhanced singlet oxygen production

💡 Explanation

Quenching deactivates the excited triplet state using energy transfer; therefore, phosphorescence output must be reduced via radiationless decay, because triplet state population decreases significantly, rather than alternatives like enhanced fluorescence.

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