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WAEC Chemistry 2010 Paper

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Question : 24

Total: 38

Consider the equilibrium reaction represented by the following equation: 2SO_2(g) + O_2(g) ⇌ 2SO_3(g); ∆H = 395.7 kJmol^-1 Which of the following statements about the equilibrium system is correct?

Addition of catalyst changes the equailibrium position
Decrease in pressure increase in temperature SO₃
Decrease in pressure increases the equilibrium concentration of O₂
Increase in temperatur favours the forward reaction

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