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

question 91

Multiple Choice

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, $\Delta$ H_rxn, 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.