Q. For the reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), the expression for the equilibrium constant Kc is:

प्रतिक्रिया N₂(g) + 3H₂(g) ⇌ 2NH₃(g) के लिए, संतुलन स्थिरांक Kc के लिए अभिव्यक्ति है:

A
Kc = [NH₃]²/[N₂][H₂]³
B
Kc = [N₂][H₂]³/[NH₃]²
C
Kc = [NH₃]/[N₂][H₂]
D
Kc = [N₂][H₂]/[NH₃]

Explanation

For the balanced chemical equation:

N₂(g)+3H₂(g)2NH₃(g)\text{N₂(g)} + 3\text{H₂(g)} ⇌ 2\text{NH₃(g)}

The equilibrium constant (Kc) is given by:

Kc=[NH₃]2[N₂][H₂]3K_c = \frac{[\text{NH₃}]^2}{[\text{N₂}][\text{H₂}]^3}

where square brackets denote molar concentrations.

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