2 mol of N2 is mixed with 6 mol of H2 in a closed vessel of one litre capacity. If 50%N2 is converted into NH3 at equilibrium, the value of Kc for the reaction. N2(g)+3H2(g)⇌2NH3(g)
A
4/27
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B
27/4
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C
2/27
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D
20
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Solution
The correct option is D4/27 N2(g)+3H2(g)⇌2NH3(g) at t=02 mol 6 mol at equilibrium 50%N2 is converted into NH3 at equation (2−1) KC=[NH3]2[H2]3[N2]=(2)2(3)3×1=427