Cl Atoms Formed Via Photolysis of C-Cl Bonds of Chlorofluorocarbons

question 26

Multiple Choice

Cl atoms formed via photolysis of C-Cl bonds of chlorofluorocarbons in the stratosphere are particularly effective in destroying ozone at these altitudes because ________.

• A)Cl atoms absorb UV, which generate O atoms to react with O₂ to produce ozone
• B)Cl atoms catalytically convert O₃ to O₂
• C)Cl atoms stoichiometrically convert O₃ to O₂
• D)Cl atoms react with H atoms, which catalyze conversion of O₂ to O₃
• E)Cl atoms react with N atoms, which catalyze conversion of O₂ to O₃

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