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How is ammonia manufactured industrially? - Chemistry

How is ammonia manufactured industrially?

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Solution 1

Ammonia is prepared on a large-scale by the Haber’s process.

`N_2(g) + 3H_2(g) ⇌ 2NH_3(g)                           triangle_fH^@ = -46.1 kJmol`

The optimum conditions for manufacturing ammonia are:

(i) Pressure (around 200 × 105 Pa)

(ii) Temperature (700 K)

(iii) Catalyst such as iron oxide with small amounts of Al2O3 and K2O

Solution 2

Commercially, by Haber’s process.

`N_2(g) + 3H_2(g) ⇌ 2NH_3(g)                           triangle_fH^@ = -46.1 kJ mol^(-1)`

iron oxide, K2O, Al20The optimum conditions for the production of NH3 are pressure of 200 atm and temperature of 100K

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APPEARS IN

NCERT Class 12 Chemistry Textbook
Chapter 7 The p-block Elements
Q 6 | Page 207
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