The Photochemical Decomposition of Chlorofluorocarbons Was Shown to Enhance

question 138

Multiple Choice

The photochemical decomposition of chlorofluorocarbons was shown to enhance the decomposition of ozone 2 O₃(g) 3 O₂(g)
Leading to the formation of an ozone hole over the South Pole. In the following mechanism for the decomposition of ozone, characterize the products (ClO, O₂, and Cl) in each of the two steps.
Step 1: Step 2:

• A)Cl is a catalyst, ClO is an intermediate, and O₂ is a reaction product.
• B)Cl is an intermediate, ClO is a catalyst, and O₂ is a reaction product.
• C)Cl and ClO are both catalysts, and O₂ is a reaction product.
• D)Cl, ClO, and O₂ are all intermediates.
• E)Cl is a catalyst, and ClO and O₂ are intermediates.

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