The Mechanism for the Decomposition of Ozone in the Presence $\rarr$

question 8

Multiple Choice

The mechanism for the decomposition of ozone in the presence of a reactive chlorine atom is shown below. Which species functions as a catalyst
O₃ + (UV light) $\rarr$ O + O₂
Cl + O₃ $\rarr$ ClO + O₂
ClO + O $\rarr$ Cl + O₂

• A) O
• B) Cl
• C) ClO
• D) CFCl₃
• E) O₂

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