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← ScienceWhich consequence results when reaction intermediate concentration varies greatly?
A)Rate-determining step becomes less defined✓
B)Equilibrium constant becomes unrealistically high
C)Arrhenius constant becomes temperature-dependent
D)Thermodynamic control becomes kinetically favored
💡 Explanation
When reaction intermediate concentrations change drastically, the rate-determining step changes because the principle of microscopic reversibility no longer strictly applies; therefore, step dominance disappears, rather than thermodynamic product control changing due to activation differences.
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