Synthesis of ammonia

Question

What are the favourable conditions for the synthesis of ammonia?

a) Low pressure and high temperature

b) High pressure and high temperature

c) High pressure and low temperature

d) Low pressure and low temperature

Answer

Using high pressure because we are going from !!4!! to !!2!! gas

molecules. So high pressure favour the forward reaction to give

fewer gas molecule, by Le Ch√Ętelier's principle.

Using low temperature because it ia an exothermic reaction

favoured by lowering the temperature.

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