Exhibit 18-2 Use This List of Half-Reactions to Answer the Following

question 21

Multiple Choice

Exhibit 18-2 Use this list of half-reactions to answer the following question(s) .
Refer to Exhibit 18-2. Which of these combinations would result in a spontaneous reaction?

• A) Al³⁺(aq) and Cr³⁺(aq)
• B) Al³⁺(aq) and Cu(s)
• C) Cr₂O₇^2-(aq) and MnO₄^-(aq)
• D) Cu(s) and MnO₄^-(aq)
• E) Pt(s) and Pb²⁺(aq)

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