ChemistryNEET 2022Law of mass action, Kc and Kp, Le Chatelier

Equilibrium

$3 O_{2} (g) ⇌ 2 O_{3} (g)$

For the above reaction at 298 K, $K_{c}$ is found to be $3.0 \times 1 0^{- 59}$ . If the concentration of $O_{2}$ at equilibrium is 0.040 M, then the concentration of $O_{3}$ in M is:

A. $1.2 \times 1 0^{21}$
B. $4.38 \times 1 0^{- 32}$ ✓
C. $1.9 \times 1 0^{- 63}$
D. $2.4 \times 1 0^{31}$

You have the answer. The worked solution — and why the other three were written — is part of a paid pack.

Equilibrium

More from this chapter in past papers