A Mechanism for a Naturally Occurring Reaction That Destroys Ozone

question 95

Multiple Choice

A mechanism for a naturally occurring reaction that destroys ozone is: Step 1: O₃(g) + HO(g) → HO₂(g) + O₂(g)
Step 2: HO₂(g) + O(g) → HO(g) + O₂(g)
Which species is a catalyst and what type of catalysis is occurring?

• A)HO,homogeneous
• B)HO,heterogeneous
• C)O₃,homogeneous
• D)O ,heterogeneous

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