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← ScienceWhich outcome occurs when a high-frequency electromagnetic field surrounds molecular iodine?
A)Atomic iodine concentration dramatically increases✓
B)Radiative heat transfer decreases sharply
C)Vibrational modes become strongly dampened
D)Molecular iodine becomes increasingly polarized
💡 Explanation
When molecular iodine gas is subjected to high-frequency radiation, dissociation occurs due to the **photodissociation** mechanism because the molecule absorbs photons leading to bond scission; therefore, atomic iodine increases, rather than vibrational changes or polarization shifts under these conditions.
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