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Question: Answered & Verified by Expert
In the synthesis of ammonia by Haber's process, if 60 moles of ammonia is obtained in one hour, then the rate of disappearance of nitrogen is:
ChemistryChemical KineticsNEET
Options:
  • A 30 mol/min
  • B 6 mol/min
  • C 0.5 mol/min
  • D 60 mol/min
Solution:
1621 Upvotes Verified Answer
The correct answer is: 0.5 mol/min
In Haber's process, ammonia is synthesized as

N2+3H2Fe,Mo,300High Pressure 2NH3

Rate of synthesis of ammonia =6060

=1 mol/min

Rate of disappearance of nitrogen, i.e.,

-d[N2]dt=12d[NH3]dt

=0.5 mol/min

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