Question

Which one of the following equilibrium reactions is not affected by a change in pressure? *
• PCl3(g) + Cl2(g) ⇋ PCI5(g)
• 2NO2(g) ⇋ N2O4(g)
• H2(g) + I2(g) ⇋ 2HI(g)
• N2(g) + 3H2(g) ⇋ 2NH3(g)​

Answer 1

Answer:

3 option

Explanation:

reason delta ng=0

Answer 2

Answer:  The equilibrium reactions is not affected by a change in pressureH2(g) + I2(g) ⇋ 2HI(g).

Explanation:

Step :1   The equilibrium of those processes where there is no difference in the number of moles of products and reactants will not be impacted by the change in pressure. Gas moles are not changed throughout the reaction. Therefore, a change in reactant concentration or pressure has no impact on equilibrium. Additionally, the presence of a catalyst has no impact on equilibrium.

Step :2   The equilibrium will move to the side of the reaction where there are less moles of gas as pressure rises. The equilibrium will move toward the side of the reaction where there are more gas molecules when the pressure is reduced. However, the following elements have no impact on any liquid's pressure at that specific point: the container's design, the container's dimensions, the surface's surface area.

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