Which Metal,Al or Ni Could Reduce Zn²⁺ to Zn(s)if Placed $\to$

question 6

Multiple Choice

Which metal,Al or Ni could reduce Zn²⁺ to Zn(s) if placed in a Zn²⁺(aq) solution? Zn²⁺ + 2e^- $\to$ Zn
$\varepsilon$ ^$\circ$ = -0.76 V
Al³⁺ + 3e^- $\to$ Al
$\varepsilon$ ^$\circ$ = -1.66 V
Ni²⁺ + 2e^- $\to$ Ni
$\varepsilon$ ^$\circ$ =-0.23 V

• A)Al
• B)Ni
• C)Both Al and Ni would work.
• D)Neither Al nor Ni would work.
• E)Cannot be determined.

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