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Which outcome increases when an industrial ammonia synthesis reactor experiences catalyst poisoning?

A)Formation rate declines linearly
B)Activation energy barrier decreases
C)Reaction equilibrium constant shifts
D)Ammonia production rate diminishes exponentially

💡 Explanation

When catalyst poisoning occurs, the active surface area reduces because the poison molecules block binding sites, exponentially diminishing effective catalytic activity and thus severely limiting the ammonia production rate. Therefore ammonia production diminishes exponentially, rather than linearly or changing the energetic landscape, requiring different effects.

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