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Photoionization Processes (E

Question 78

Multiple Choice

Photoionization processes (e.g.,N2 + hν → N2+ + e-) remove UV of < 150 nm.Which photoreaction is the principal absorber of UV in the 150-200 nm range in the upper atmosphere?


A) N2 + hν → 2N
B) O2 + hν → 2O
C) O3 + hν → O2 + O
D) N2 + O2 + hν → 2NO
E) NO + O2 + hν → NO3

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