. In Haber process 30 litres of dihydrogen and 30 litres of dinitrogen were taken for reaction which yielded only


condition in the end

(a) 20 litres ammonia, 20 litres nitrogen, 20 litres hydrogen

(b) 10 litres ammonia, 25 litres nitrogen, 15 litres hydrogen

(c) 20 litres ammonia, 10 litres nitrogen, 30 litres hydrogen

(d) 20 litres ammonia, 25 litres nitrogen, 15 litres hydrogen

Best Answer

Correct Option is (b)

N2 + 3H2 ⟺ 2NH3           

30             30                   0

30-x         30-3x              2x

But 2x = 50% of the expected (20 Lt) product =10 lit

x = 5

∴ Vol. of N2 at eq =30-5=25 lit

∴ Vol. of H2 at eq =30-3×5=15lit

∴ Volume of NH3 at equilibrium =2×5=10 lit

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