A Proposed Mechanism for the Photodecomposition of Ozone in the Atmosphere

question 26

Multiple Choice

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

• A)O₃
• B)h\(\nu\)
• C)O₂
• D)O
• E)This mechanism has no intermediates.

---

Definitions:

Bronfenbrenner's Systems

A theoretical model that explores how different environmental systems influence human development, ranging from immediate surroundings to broader societal cultures.

Microsystem

The immediate settings with which the child interacts, such as the home, the school, and the child’s peers.

Exosystem

Community institutions and settings that indirectly influence the child, such as the school board and the parents’ workplaces (from the Greek exo, meaning “outside”).

Ethologists

Specialists who study animal behavior in natural environments, focusing on how animals interact with each other and their surroundings.