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The Reaction
Cr(NH3)63+(aq) + 3en(aq) \leftrightarrow Cr(en)33+(aq) + 6 NH3(aq)
Where En Represents Ethylenediamine, Has a

Question 91

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The reaction
Cr(NH3) 63+(aq) + 3en(aq) \leftrightarrow Cr(en) 33+(aq) + 6 NH3(aq)
Where en represents ethylenediamine, has a small value for the enthalpy change, Δ\Delta Hrxn, yet the free-energy change is large because ________


A) the reaction rate is fast.
B) the entropy change is large and positive.
C) the enthalpy change is large enough to matter.
D) the entropy change is large and negative.
E) ethylenediamine has amino groups that are stronger bases than ammonia.

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