Addition of Inert Gas at Constant Pressure

Q.

The equilibrium, $S{O}_{2}C{l}_2\left(g\right)\rightleftharpoons S{O}_2\left(g\right)+C{l}_2\left(g\right)$ is attained at ${25}^{\circ }C$ in a closed container and an inert gas, helium, is introduced. Which of the following statements are correct?

1. Concentrations of $S{O}_2,C{l}_2$ and $S{O}_{2}C{l}_2$ are not changed

2. More chlorine is formed

3. Concentration of $S{O}_2$ is reduced

4. More $S{O}_{2}C{l}_2$ is formed

Q.

Given the following reaction at equilibrium $N_2\left(g\right)+3H_2\left(g\right)\rightleftharpoons 2N{H}_3\left(g\right)$. Some inert gas at constant pressure is added to the system. Which one of the following will happen?

1. More $N{H}_3\left(g\right)$ is produced

2. Less $N{H}_3\left(g\right)$ is produced

3. No effect on the equilibrium

4. $K_p$ of the reaction is decreased

Q. Consider the following reaction in which dissociation of $PC{l}_5\left(g\right)$ takes place:
$PC{l}_5\left(g\right)\rightleftharpoons PC{l}_3\left(g\right)+C{l}_2\left(g\right)$
At a constant pressure, an inert gas Helium is added.
Which of the following statement is correct?

1. The dissociation of $PC{l}_5$ decreases.
2. The dissociation of $PC{l}_5$ increases.
3. Does not affect the degree of dissociation of $PC{l}_5$
4. Decrease in the formation of $PC{l}_3$

Q. Consider a reaction:
$2A\left(g\right)+3B\left(g\right)\rightleftharpoons 3C\left(g\right)+2D\left(g\right)$
When the pressure is increased :

1. Equilibrium is shifted in forward direction
2. Equilibrium is shifted in backward direction
3. No change in equilibrium.
4. None of the above

Q. At equilibrium, reaction $A\leftrightharpoons B$ is at the stage of half completion. Which one of the followings is true?

1. $△G^{\circ }=0$
2. $△G^{\circ }>0$
3. $△G^{\circ }<0$
4. $△G^{\circ }=-RTln2$

Q. Some quantity of water is contained in a container as shown in figure. As neon is added to this system at constnat pressure, the amount of liquid water in the vessel

1. increases
2. decreases
3. remains same
4. changes unpredictably