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Which one is false in the following stat...

Which one is false in the following statement?

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 vacancies on the surface of the catalyst increases on sub-division

D

Ni is used as a catalyst in the manufacture of ammonia

Text Solution

Verified by Experts

The correct Answer is:
D
Molybednum acts as a promoter and iron which is used as a catalyst
`N_(2)(g)+3H_(2)(g)overset(Fe(s))underset(Mo(s))hArr2NH_(3)(g)`
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