Forward reaction will be favoured for the exothermic reaction, represented by CO + H2O ⇌ CO2 + H2, 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 high pressure
- D. High temperature and low pressure
Explanation
Because the forward reaction is exothermic, lowering the temperature shifts equilibrium toward products. The reaction has equal gaseous moles on both sides, so pressure has no equilibrium effect; among the choices, low temperature and high pressure is the applicable option.
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