NEET-XII-Chemistry

Previous Year Paper year:2017

with Solutions - page 5
  • #68
    The number of moles of hydrogen molecules
    required to produce 20 moles of ammonia
    through Haber's process is :
    (1) 10
    (2) 20
    (3) 30
    (4) 40
    digAnsr:   3
    Ans : ( 3 )
    Sol. Haber's process
    +
    2 2 3
    N (g) 3H (g) 2NH (g)
    20 moles need to be produced
    2 moles of NH
    3
    ï‚® 3 moles of H
    2
    Hence 20 moles of
    ï‚´ï‚® =
    3
    3 20
    NH 30
    2
    moles of H
    217