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For the exothermic reaction A (g) + 2 B (g) => C (g), what will cause...

For the exothermic reaction A (g) + 2 B (g) => C (g), what will cause the reaction to shift left?
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Answer #1

for the reaction A(g)+2B(g)------>C (g), the forward reaction is exothermic. So as per Lechatlier principle, as the temperature is increased, the reaction proceeds in a direction so as to compensate the effect of temperature. So the reaction proceeds in the endothermic direction. That is the reaction proceeds to the left with an increase in temperature.

When pressure is increased, the reaction being gas phase reaction proceeds in a direction of decreasing no of moles. So forward reaction is favored. So lowering the pressure will hae opposite effect.

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