Consider the following exothermic reaction

2SO2(g) + O2(g) ↔ 2SO3(g)

If the temperature of the reaction is reduced from 800°C to 500°C, an no other change takes place, then

  • A the reaction rate increases
  • B concentration of SO3 decreases
  • C concentration of SO3 increases
  • D SO2 gas becomes unreactive
  • E O3 gas becomes unreactive

The correct answer is C. concentration of SO3 increases

No explanation given
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