Which of the following reactions proceeds at low pressure?

Observe the following equilibrium at $T(K)$:
$H_{2(g)} + I_{2(g)} \rightleftharpoons 2HI_{(g)}$
Which one of the following does not disturb the above equilibrium?

The effect of increasing the pressure on the equilibrium $2A + 3B \rightleftharpoons 3A + 2B$ is

Under which conditions of temperature and pressure is the dissociation of molecular hydrogen into atomic hydrogen favored?

At $25\,^oC$,the equilibrium $SO_2Cl_2(g) \rightleftharpoons SO_2(g) + Cl_2(g)$ is established in a closed vessel. When $Cl_2$ is added to the equilibrium mixture,which of the following statements is/are correct for the system?
$(1)$ Change in concentrations of $SO_2$,$Cl_2$,and $SO_2Cl_2$.
$(2)$ More $Cl_2$ is produced.
$(3)$ The concentration of $SO_2$ decreases and the concentration of $SO_2Cl_2$ increases.

The gaseous reaction $A(g) + B(g) \rightleftharpoons 2C(g) + D(g) + Q$ is most favoured at