Industrially, ammonia is obtained by direct combination between nitrogen and hydrogen. The formation of ammonia is promoted at:

1000 atm

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200 atm

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25 atm

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1 atm

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Solution

The correct option is B 200 atm
Ammonia is prepared industrially by Haber's process.
In this process, dinitrogen directly reacts with Dihydrogen in $1 : 3$ in presence of iron catalyst with promoters as oxides of potassium or aluminium.
The physical conditions required for this process are $200 - 300$ atm pressure and $400 - 450^{0} C$ temperature.

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Similar questions

Q. Industrially, ammonia is obtained by direct combination of nitrogen and hydrogen.
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