Indicate the Statement(s) Which Are True for the Process: Al+3(aq)

question 13

Multiple Choice

Indicate the statement(s) which are true for the process: Al+3(aq) + 3 OH-(aq) → Al(OH) ₃(s)
If it occurs in a closed container.
I. ΔS increases because the final molecule is more complicated.
II. Entropy decreases because the product is in the solid phase.
III. The two ions achieve a high degree of order as they crystalize, therefore ΔS is positive.
IV. Entropy of the system is unchanged because the system is sealed and at a constant temperature.

• A) I and II
• B) I and III
• C) II only
• D) I, II, IV
• E) I and IV

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