Which outcome results from catalyst poisoning during ammonia synthesis in Haber-Bosch process?

💡 Explanation

When a catalyst poison binds to active sites, adsorption of reactants is blocked because the surface area available for reaction is significantly reduced, thus diminishing the catalytic activity causing reduced reaction rate and catalyst deactivation. Therefore reaction rate decreases, rather than increased yield, altered temperature profiles or enhanced byproduct formation which require a different reaction condition.

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