QCE Chemistry Practice Questions - QCE Chemistry (Units 3 & 4) External Examination Exam

For the exothermic equilibrium 2SO2(g) + O2(g) ⇌ 2SO3(g), what is the effect of increasing the temperature?

The equilibrium shifts towards SO3 and Kc increases The equilibrium shifts towards reactants and Kc decreases The equilibrium shifts towards reactants but Kc is unchanged The equilibrium position and Kc are both unchanged

Correct Answer:

The equilibrium shifts towards reactants and Kc decreases

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