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Which outcome occurs when excessive vibrational energy is absorbed by polyatomic molecule?

A)Bond dissociation triggers chemical reaction
B)Increased fluorescence emission intensity
C)Decreased thermal conductivity through lattice
D)Enhanced molecular polarization and higher dipole

💡 Explanation

When vibrational energy exceeds a bond's dissociation energy, a bond breaks because the energy input surpasses the binding energy, initiating a chemical reaction. Therefore, bond dissociation reaction is triggered, rather than fluorescence, reduced conductivity, or polarization, which don't depend on bond rupture.

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