A Proposed Mechanism for the Decomposition of Ozone in the Atmosphere

question 26

Multiple Choice

A proposed mechanism for the decomposition of ozone in the atmosphere is:
Step 1: Cl(g) + O₃(g) $\rightarrow$ ClO(g) + O₂(g)
Step 2: ClO(g) + O₃(g) $\rightarrow$ Cl(g) + 2 O₂(g)
Which of the following species is an intermediate?

• A) Cl
• B) O₃
• C) ClO
• D) O₂
• E) This mechanism has no intermediates.

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