Oxidation of SO2 to SO3 is favoured by______________________?
Correct answer: A. Low temperature and high pressure
- A. Low temperature and high pressure
- B. Low temperature and low pressure
- C. High temperature and low pressure
- D. High temperature and high pressure
Explanation
SO2 oxidation to SO3 is exothermic, so lowering temperature favours equilibrium conversion, while the reduction in gas moles makes high pressure favourable. Hence low temperature and high pressure give the equilibrium advantage.
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