In which one of the following equilibria, K p ≠ K c ?

Question

In which one of the following equilibria, K p ≠ K c ?, 2 H I g ⇌ H 2 g + I 2 g, 2 C s + O 2 g ⇌ 2 C O g, 2 N O g ⇌ N 2 g + O 2 g, N O 2 g + S O 2 g ⇌ N O g + S O 3 g

MARKS App · Accepted Answer

k p = k c R T Δ n g ( i ) 2 HI g ⇌ H 2 g + I 2 g Δ n g = 1 + 1 - 2 = 0 S o k p = k c (ii) 2 N O g ⇌ N 2 g + O 2 g Δ n g = 2 - 2 = 0 S o k p = k c (iii) N O 2 g + S O 2 g ⇌ N O g + S O 3 g Δ n g = 2 - 2 = 0 S o k p = k c (iv) 2 s + O 2 g ⇌ 2 C O g Δ n g = 2 - 1 = 1 k p = k c RT Δ n ⇒ k p = k c RT k p > k c

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