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Which outcome reduces product yield in a Haber-Bosch reactor nearing equilibrium?

A)Increased catalyst surface oxidation
B)Nitrogen back-pressure increase
C)Ammonia undergoes thermal decomposition
D)Hydrogen-induced metal catalyst poisoning

💡 Explanation

Thermal decomposition of ammonia diminishes the system's product yield because Le Chatelier's principle dictates a shift towards reactants at high temperatures, counteracting ammonia's formation, therefore, reduced yields occur via decomposition rather than catalyst poisoning, which would impact reaction *rate*.

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