A reaction is represented by the equation below. A2(g) + B2(g) 2AB(g); ∆H = +X kJmol-1 Which of the following statements about the system is correct?

A. The reaction goes to completion at equilibrium
B. The forward reaction is exothermic
C. At equilibrium increase in temperature favours the reverse reaction
D. Pressure has no effect on the equilibrium mixture

Correct Answer: Option D

D. Pressure has no effect on the equilibrium mixture