The reaction $2SO_{2(g)} + O_{2(g)} \rightleftharpoons 2SO_{3(g)} + q$ is favored by:

The equilibrium $SO_2Cl_{2(g)} \rightleftharpoons SO_{2(g)} + Cl_{2(g)}$ is attained at $25 \ ^oC$ in a closed container and inert gas helium is introduced at constant volume. Which of the following statements are not correct?
$(a)$ Concentrations of $SO_2, Cl_2$ and $SO_2Cl_2$ change
$(b)$ More chlorine is formed
$(c)$ Concentration of $SO_2$ is reduced
$(d)$ More $SO_2Cl_2$ is formed

Consider the following reaction for which the change in enthalpy is positive:
$2 A_{(g)} + B_{(g)} \rightleftharpoons C_{(g)} + D_{(g)}$
Which of the following will not affect the equilibrium?

The yield of the products in the reaction,$A_{2(g)} + 2B_{(g)} \rightleftharpoons C_{(g)} + Q \ kJ$ would be higher at

In which of the following reactions at equilibrium,the position of the equilibrium shifts towards the products,if the total pressure is increased?
$(I)$ $X_{2(g)} + 3Y_{2(g)} \rightleftharpoons 2XY_{3(g)}$
$(II)$ $X_{2(g)} + Y_{2(g)} \rightleftharpoons 2XY_{(g)}$
$(III)$ $X_{2(g)} + Z_{2(g)} \rightleftharpoons 2XZ_{(g)}$
$(IV)$ $X_{2(g)} + Y_{4(g)} \rightleftharpoons 2XY_{2(g)}$

For a given equilibrium reaction,addition of inert argon gas at constant volume can shift the equilibrium in $N_{2(g)} + 3H_{2(g)} \rightleftharpoons 2NH_{3(g)}$