Question

H2(g) + I2(g) ⇋ 2HI(g) Which of the following does not have any effect on the equilibrium?


1.Increased the concentration of reactants
2.Added more hydrogen
3.Increased the temperature
4.Increased the pressure



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Answer 1

Answer:

1) According to Le chatelier's principle on increasing the concentration of reactants the equilibrium shifts to forward direction thereby nullifying the effect.

2) The answer for this question is same as the above one.

3) According to Le chatelier's principle on increasing the temperature of exothermic reaction the equilibrium shifts to the backward direction. Since , this process involves bond formation ,it is  an exothermic reaction.

4) According to Le chatelier's principle on increasing pressure to a system in which  the change in moles of a gas is zero then the equilibrium remains unchanged.