When the Oxidation-Reduction Reaction Shown Here Is Balanced Using the Smallest

question 153

Multiple Choice

When the oxidation-reduction reaction shown here is balanced using the smallest whole-number coefficients, how many electrons are transferred?
Cu²⁺(aq) + Al(s) $\rightarrow$ Cu(s) + Al³⁺(aq)

• A)0
• B)2
• C)3
• D)6
• E)12

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