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Which risk increases when a chemical reactor's temperature setpoint exceeds a safety limit?

A)Runaway reaction and thermal explosion
B)Decreased catalyst binding affinity
C)Reduced product stream concentration
D)Change in first order rate constant

💡 Explanation

A runaway reaction and thermal explosion becomes likely, because exceeding temperature limits exponentially increases the reaction rate via the Arrhenius equation. The increased reaction rate amplifies heat generation; therefore the system fails, rather than maintaining stable process control.

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