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Which outcome reduces yield when iron catalyst particles in the Haber-Bosch process grow excessively large?

A)Increased reactor pressure vessel corrosion
B)Reduced catalyst surface area
C)Nitrogen dissociation kinetic bottleneck
D)Ammonia condensation thermodynamic equilibrium

💡 Explanation

Reduced catalyst surface area lowers yield because particle growth decreases the active sites for adsorption and reaction, hindering the process via surface reaction kinetics, therefore reducing ammonia production rather than other effects on vessel integrity or nitrogen kinetics.

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