Given Cu²⁺(aq) + 2e^- → Cu(s) E° = +0

question 33

Multiple Choice

Given Cu²⁺(aq) + 2e^- → Cu(s) E° = +0.34 V Al³⁺(aq) + 3e^- → Al(s) E° = -1.66 V
Na⁺(aq) + e^- → Na(s) E° = -2.71 V
Which of the following reactions will occur?

• A) 2Na⁺(aq) + Cu(s) → Cu²⁺(aq) + 2Na(s)
• B) Al(s) + 3Na⁺(aq) → Al³⁺(aq) + 3Na(s)
• C) 2Na(s) + Cu²⁺(aq) → Cu(s) + 2Na⁺(aq)
• D) 2Al³⁺(aq) + 3Cu(s) → 3Cu²⁺(aq) + 2Al(s)
• E) None of these will occur.