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← ScienceWhich consequence results when reactants exceed a catalyst’s saturation threshold in a continuously stirred tank reactor?
A)Reaction rate becomes substrate-independent✓
B)Product selectivity increases exponentially
C)Catalyst undergoes accelerated thermal runaway
D)Inhibition byproducts become insignificant
💡 Explanation
The reaction rate becomes substrate-independent because the enzyme's active sites are fully occupied, meaning further increases substrate don't accelerate catalysis. Therefore the rate plateaus, rather than selectivity increasing due to differing enzyme kinetics, or thermal runaway, or insignificant inhibiton.
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