NEET Chemistry Chemical Equilibrium MCQ Question
For the reaction N2(g) + 3H2(g) ⇌ 2NH3(g) at 500 K, if the equilibrium constant Kc is 0.061 and the concentrations are [N2] = 3.0 mol L–1, [H2] = 2.0 mol L–1, and [NH3] = 0.5 mol L–1, what is the reaction quotient Qc?
0.041
0.061
0.081
0.101
Correct Answer
Detailed Explanation
Qc is calculated as [NH3]^2 / ([N2][H2]^3) = (0.5)^2 / (3.0 * (2.0)^3) = 0.041, which is less than Kc, indicating the reaction will proceed forward.
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