A) \[{{V}_{2}}{{O}_{5}}\]
B) \[Pt\]
C) \[Fe\]
D) \[Ni{{(CO)}_{4}}\]
Correct Answer: C
Solution :
When nitrogen and hydrogen in the ratio of \[1:3\] are mixed at high temperature \[(750K),\] \[200-250\text{ }atm\]pressure and in the presence of \[Fe\]and \[Mo,\]ammonia is obtained. This process is called Haber's process. \[{{N}_{2}}(g)+3{{H}_{2}}(g)2N{{H}_{3}}(g)\] In this process finely divided iron \[(Fe)\] acts as catalyst and molybdenum \[(Mo)\]acts as catalyst promoter.
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