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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Definitions:

Nonzero Differences

Refers to the differences between paired observations that are not equal to zero, often considered in statistical tests like the Wilcoxon Signed-Rank Test.

Paired Sample

Two related samples or sets of data collected from the same group of subjects, used in experiments to analyze differences under varying conditions.

Two-Sample T-Test

A statistical test used to compare the means of two independent samples to determine if they come from populations with equal means.

Wilcoxon Signed Rank Test

A nonparametric statistical test used to compare two related samples, matched samples, or repeated measurements on a single sample to assess whether their population mean ranks differ.