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← ScienceWhich consequence results when excessive vibrational excitation occurs in molecular iodine?
A)Bond dissociation proceeds unfavorably
B)Increased fluorescence quantum yield
C)Raman scattering exhibits stokes shift
D)Photochemical decay pathways open✓
💡 Explanation
Excessive vibrational excitation increases the potential energy, favouring bond cleavage via photochemical decay; because this mechanism lowers the threshold needed to break the relatively weak I-I bond, therefore photochemical decay pathways emerge, rather than molecular stabilization.
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