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← ScienceWhich outcome limits ethene production when reactor pressure increases?
A)Equilibrium shifts against ethene✓
B)Catalyst surface area increases
C)Residence time becomes reduced
D)Reaction temperatures rise steadily
💡 Explanation
Higher pressures shift equilibrium according to Le Chatelier's principle; Le Chatelier's favors the side with fewer gas molecules. Because ethene production involves generating more moles of gas, therefore, equilibrium shifts against it, rather than favoring it at higher pressures.
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