Question

On large scale ammonia is manufactured by:

• A. Ostwald's process
• B. Haber's process
• C. Decomposition of urea
• D. Decomposition of ammonium salts

Answer 1

The correct option is B Haber's process

On large scale ammonia is manufactured by haber's process.
In Haber process $N_2\left(g\right)$ and $H_2\left(g\right)$ are reacted at a high temperature of $723K$ and $20265kPa$ pressure in presence of iron-bed catalysts $F{e}_3{O}_4$ mixed with ​$K_{2}O,Si{O}_2,$ and $A{l}_2{O}_3$ to produce $N{H}_3\left(g\right)$. It is an exothermic process which takes place in accordance with Le Chatelier’s principle.
$N_2\left(g\right)+3H_2\left(g\right)\stackrel{\Delta }{\rightleftharpoons }2N{H}_3\left(g\right)$