The forward reaction in N$_2$ + 3H$_2$ ⇌ 2NH$_3$ is exothermic. Raising the temperature will
Astop the reaction completely.
Bdecrease the yield of ammonia.CORRECT
Cincrease the yield of ammonia.
Dleave the yield unchanged but speed up the reaction.
JUPEBChemistryChemical Equilibrium
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Why the answer is B, and why the others tempt you.
Raising the temperature favours the endothermic direction, which here is the backward reaction, so the equilibrium shifts left and less ammonia is present. Both rates increase, but the position moves away from the product.
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