Two reactions have similar ∆H°rxn values (∆H°rxn (1) ≈ ∆H°rxn (2)), but reaction (1) has a much smal — Thermodynamics Chemistry Question
Question
Two reactions have similar ∆H°rxn values (∆H°rxn (1) ≈ ∆H°rxn (2)), but reaction (1) has a much smaller standard entropy change than reaction (2) (∆S°rxn (1) << ∆S°rxn (2)). At 298 K, which statements about these two reactions must be correct?
I. Reaction (1) must have a larger equilibrium constant (Keq (1) > Keq (2)).
II. Reaction (1) must have a larger Arrhenius prefactor (A(1) > A(2)).
A.
I only
B.
II only
C.
Both I and II
D.✓ Correct
Neither I nor II
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