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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Law of equilibrium and Equilibrium constant

  • question_answer
    In Haber process 30 litres of dihydrogen and 30 litres of dinitrogen were taken for reaction which yielded only 50% of the expected product. What will be the composition of gaseous mixture under the aforesaid condition in the end [CBSE PMT 2003]

    A)                 20 litres ammonia, 25 litres nitrogen, 15 litres hydrogen 

    B)                         20 litres ammonia, 20 litres nitrogen, 20 litres hydrogen

    C)                 10 litres ammonia, 25 litres nitrogen, 15 litres hydrogen

    D)                 20 litres ammonia, 10 litres nitrogen, 30 litres hydrogen

    Correct Answer: C

    Solution :

             \[{{N}_{2}}+3{{H}_{2}}\]⇌ \[2N{{H}_{3}}\]                     30       30        0                     30-x   30-3x      2x                    2x = 10 ; x =\[\frac{10}{2}=5\]                     \[{{N}_{2}}=30-5=25\]litre                    \[{{H}_{2}}=30-3\times 5=15\]litre                                 \[N{{H}_{3}}=2\times 5=10\]litre


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