Consider the following two equilibria and their respective equilibrium constants:(1) NO(g) + 1/2 O₂(g) ⇌ NO₂(g) (2) 2 NO₂(g) ⇌ 2 NO(g) + O₂(g)Which one of the following is the correct relationshi
- May 4
- 1 min read
Consider the following two equilibria and their respective equilibrium constants:
(1) NO(g) + 1/2 O₂(g) ⇌ NO₂(g) (2) 2 NO₂(g) ⇌ 2 NO(g) + O₂(g)
Which one of the following is the correct relationship between the equilibrium constants K₁ and K₂?
A) K₂ = –K₁/2
B) K₂ = 1/(2K₁)
C) K₂ = 1/(2K₁)²
D) K₂ = 2/K₁
E) K₂ = (1/K₁)²
Solution:
What do we need to do to equation 1 to turn it into equation 2. Let's look at NO. To go to the second equation, we need to multiply NO by 2 and reverse the equation. That means we need to square K1 and take reciprocal of that.
E is the correct answer.
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