For the reaction $A_{2(g)} + B_{2(g)} \rightleftharpoons 2AB_{(g)}$; $\Delta H = +ve$,which of the following statements is correct regarding the effect of pressure?

Consider the following equation:
$2 SO_{2(g)} + O_{2(g)} \rightleftharpoons 2 SO_{3(g)}, \Delta H = -190 \ kJ$
The number of factors which will increase the yield of $SO_3$ at equilibrium from the following is $.............$.
$A.$ Increasing temperature
$B.$ Increasing pressure
$C.$ Adding more $SO_2$
$D.$ Adding more $O_2$
$E.$ Addition of catalyst

For the reaction $PCl_{3(g)} + Cl_{2(g)} \rightleftharpoons PCl_{5(g)}$,the position of equilibrium can be shifted to the right by

$N_{2} + 3H_{2} \rightleftharpoons 2NH_{3} + \text{heat}$. What is the effect of the increase of temperature on the equilibrium of the reaction?

For which of the following reactions is product formation favoured at low pressure and low temperature?

Which of the following information can be obtained on the basis of Le Chatelier's principle?