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Which constraint worsens methanol production rate in catalytic converters?

A)Catalyst active site poisoning
B)Increased convective heat transfer
C)Elevated reactor system pressure
D)Decreased carbon dioxide concentration

💡 Explanation

Catalyst poisoning reduces methanol's yield rates because active sites become blocked via adsorption, inhibiting the necessary surface catalyzed reactions; therefore methanol production decreases, rather than increasing because other processes are enhanced in idealized conditions.

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