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 abov

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)

Prashant Kotian · Accepted Answer

Correct answer: C. 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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