Q. The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber's process is :
A) 10
B) 20
C) 30
D) 40
Explanation
[Solution] $N_2 + 3H_2 \rightarrow 2NH_3$; 20 mol $NH_3$ needs 30 mol $H_2$. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.