A Proposed Mechanism for the Decomposition of Ozone in the Atmosphere

question 132

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.

---

Definitions:

M Phases

The phase in the cell cycle where mitosis and cytokinesis occur, leading to cell division.

Kinetochores

Protein complexes that assemble on the centromere of a chromosome, playing a crucial role in chromosome segregation during cell division.

Spindle Fibers

Protein structures that divide genetic material in a cell by pulling chromosomes apart during cell division.

Cytokinesis

The process during cell division in which the cytoplasm of a single eukaryotic cell is divided to form two daughter cells.