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← ScienceWhich risk arises when industrial exothermic reactor cooling fails?
A)Runaway reaction accelerates exponentially✓
B)Catalyst deactivation lowers yield
C)Equilibrium shifts favor reactants
D)Reversible reaction spontaneously reverses
💡 Explanation
A runaway reaction escalates because positive feedback from uncontrolled thermal energy accelerates the reaction rate via Arrhenius equation, therefore, the exponential rate increase poses a serious risk rather than any equilibrium shifts or catalyst deactivation. The dominant effect becomes thermal runaway.
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