Given Cu²⁺(aq)+ 2e^- → Cu(s)E° = +0

question 89

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 the will occur.

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