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

question 25

Multiple Choice

The mechanism for the decomposition of ozone in the presence of a reactive chlorine atom is shown below Which of the following species is an intermediate?
O₃ + (UV light) $\rarr$ O + $\rarr$ ₂
Cl + O₃ $\rarr$ ClO + O₂
ClO + O $\rarr$ Cl + O₂

• A)Cl
• B)ClO
• C)O₃
• D)O₂
• E)UV light

---

Definitions:

Sphincters

Circular muscles that constrict passages or openings in the body, regulating the flow of substances within various organs.

Cartilage

Firm, smooth, resilient, nonvascular connective tissue.

Fauces

Space between the cavity of the mouth and the pharynx.

Gastric Phase

A phase of digestion that occurs in the stomach, initiated by the presence of food, which triggers acid secretion and gastric enzyme activity.