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← ScienceWhich consequence manifests when a high-energy photon induces photoionization in molecular oxygen?
A)Singlet oxygen electronic state forms✓
B)Ozone production increases noticeably
C)Increased rate of nitrogen fixation
D)Decreased atmospheric infrared absorption
💡 Explanation
Photoionization ejects an electron, promoting O₂ to an excited electronic state; this outcome occurs because the absorbed energy can cause a transition in the molecular orbitals, leading to formation of singlet oxygen, therefore singlet oxygen is produced rather than changes to ozone, nitrogen, or IR absorption efficiency.
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