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:

Political Realism

A theory in international relations that emphasizes the competitive and conflictual side of international politics, where states act primarily in their own interests.

American Isolationism

American isolationism is a foreign policy stance whereby the United States seeks to avoid involvement in international alliances and issues, focusing instead on domestic prosperity and security.

Mutual Alliance Pact

An agreement between two or more nations to support each other in case of war or conflict.

Korean War

A military conflict between North Korea, supported by China and the Soviet Union, and South Korea, supported by the United Nations and principally the United States, occurring from 1950 to 1953.