Question

High pressure and low temperature are favourable conditions for the synthesis of ammonia.

• A. True
• B. False

Answer 1

The correct option is A True

High pressure and low temperature are favorable conditions for the synthesis of ammonia.
$N_2+3H_2\rightleftharpoons 2N{H}_3+$ 23 kcal
The formation of ammonia is exothermic reaction. Hence, forward reaction is favored at low temperature as heat is evolved during forward reaction which nullifies the effect of low temperature.
The reaction proceeds with decrease in the number of moles of gaseous species. Hence, forward reaction is favored with increase of pressure.