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Which 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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