A) A catalyst is specific in its action
B) A very small amount of the catalyst alters the rate of a reaction
C) The number of free valencies on the surface of the catalyst increases on subdivision
D) \[Ni\] is used as catalyst in the manufacture of ammonia
Correct Answer: D
Solution :
Option is false statement because in the manufacture of \[N{{H}_{3}}\]by the Haber's process. \[Fe\] act as catalyst and \[Mo\]is used as promoter not \[Ni\]. \[{{N}_{2}}+3{{H}_{2}}2N{{H}_{3}}+22.4kcal\]
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