Catalyst affects:
AΔG (thermodynamics)
BOnly the rate (lowers Ea, doesn't change ΔG or equilibrium)
CEquilibrium constant
DEnthalpy
Answer & Solution
Correct answer: B. Only the rate (lowers Ea, doesn't change ΔG or equilibrium)
Catalyst provides an alternative pathway with lower Ea. Speeds up both forward and reverse reactions equally — leaves equilibrium constant K and thermodynamics ΔG unchanged. Only kinetics affected.
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