Consider the equilibrium reaction represented by the following equation: 2SO2(g) + O2(g) ⇌ 2SO3(g); ∆H = 395.7 kJmol-1 Which of the following statements about the equilibrium system is correct?

A.

Addition of catalyst changes the equailibrium position

B.

Decrease in pressure increase in temperature SO3

C.

Decrease in pressure increases the equilibrium concentration of O2

D.

Increase in temperatur favours the forward reaction

Correct answer is C

No explanation has been provided for this answer.