Nitric Oxide Reacts with Oxygen to Form Nitrogen Dioxide

question 107

Multiple Choice

Nitric oxide reacts with oxygen to form nitrogen dioxide:
2 NO(g) + O₂(g) ⇌ 2 NO₂(g)
What is K_c for the forward reaction if the equilibrium concentration of NO is 0.200 M,O₂ is 0.100 M,and NO₂ is 0.250 M at 25°C?

• A)8)00 × 10^-2
• B)6)41 × 10^-2
• C)12.5
• D)15.6

---

Definitions:

Logic

Logic is a systematic method of reasoning that involves the assessment of statements or propositions to deduce valid conclusions.

Rhetoric

The art of effective or persuasive speaking or writing, often used to influence or shape public opinion.

Intelligence

The ability to understand and solve problems; an important leadership trait or quality involving discernment, comprehension, and judgment; capacity to understand information, formulate strategies, and make good decisions.