Consider the following reactions in equilibrium N2 + 3H2 ⇌ 2NH3 (K1) N2 + O2 ⇌ 2NO (K2) H2 + (1/2)O2 — AITS & Test Series Chemistry Question
Question
Consider the following reactions in equilibrium N2 + 3H2 ⇌ 2NH3 (K1) N2 + O2 ⇌ 2NO (K2) H2 + (1/2)O2 ⇌ H2O (K3) Then the equilibrium constant for the reaction 2NH3 + (5/2)O2 ⇌ 2NO + 3H2O (All the above reactions are in homogeneous equilibrium)

Answer: C
💡 Solution & Explanation
3 2 2 1 1 2NH N 3H K … (1) 2 2 2 N O 2NO K … (2) 3 2 2 2 3 3 3H O 3H O K 2 … (3) Adding (1), (2) and (3) 3 2 2 eq 5 2NH O 2NO 3H O K 2 3 2 3 eq 1 K K K K
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