Ncert Exercises & Solutions

How is ammonia manufactured industrially?

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

$N_{2 (g)} + 3 H_{2 (g)} ⇌ 2 {NH}_{3 (g)} ∆_{Ι} H ° = - 46.1 kJ / mol$ The optimum conditions for manufacturing ammonia are:(i) Pressure (around 200 ×10⁵ Pa)(ii) Temperature (4700 K)(iii) Catalyst such as iron oxide with small amounts of