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← ScienceWhich risk increases when attempting to shift equilibrium by rapidly cooling exothermic gas reactor?
A)Catalyst deactivation via thermal shock✓
B)Increased back-reaction rate dominating
C)Reversed reaction yielding fewer products
D)Runaway reactions accelerate uncontrollably
💡 Explanation
Catalyst deactivation is more likely because *thermal shock* will cause rapid temperature gradients, leading to cracking and loss of active surface area. Therefore, catalyst activity plummets rather than the reaction equilibrating via thermodynamic principles under controlled conditions.
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