A Proposed Mechanism for the Decomposition of Ozone in the Stratosphere

question 130

Multiple Choice

A proposed mechanism for the decomposition of ozone in the stratosphere is:
Step 1: Cl(g) + O₃(g) $\rightarrow$ ClO(g) +O₂(g)
Step 2: ClO(g) +O₃(g) $\rightarrow$ Cl(g) + 2 O₂(g)
What is the molecularity of step 1?

• A)zeromolecular
• B)unimolecular
• C)bimolecular
• D)termolecular
• E)More information is needed.

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