The Equilibrium Constant Expression for the Reaction:
N₂ (G) $\rightleftharpoons$

question 109

Multiple Choice

The equilibrium constant expression for the reaction:
N₂ (g) + O₂ (g) $\rightleftharpoons$ 2NO (g) is

• A) K_c = 2[NO]/[N₂][O₂]
• B) K_c = [N₂][O₂]/2[NO]
• C) K_c = [N₂][O₂]/[NO]²
• D) K_c = [NO]²/[N₂][O₂]
• E) K_c = [NO]/[N₂][O₂]

---

Definitions:

Acetic Acid

An organic compound with the formula CH3COOH, known as the main component of vinegar besides water.

Line-Angle Formula

A simplified diagrammatic method of representing organic molecules, where lines represent bonds and the ends of lines or vertices represent carbon atoms, with heteroatoms (non-carbon atoms) usually labeled.

Compound

A compound consisting of two or more elements that are chemically united in a constant ratio.

Line-Angle Formula

A simplified representation of organic molecules where lines represent bonds between atoms, and atom junctions or the ends of lines represent carbon atoms.