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Interpretation: The half-reactions that occur when an aluminum strip is dipped into copper (II) sulfate need to be determined.
Concept Introduction: In an overall cell reaction, there are two half-reactions. In one reaction, oxidation takes place and in another reaction, reduction takes place. Here, species with higher reduction electrode potential undergo reduction, and species with lower reduction electrode potential undergo oxidation.
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Explanation of Solution
The reduction electrode potential for
The overall reaction can be written as follows:
Here, aluminium gets oxidized and copper gets reduced. The two half-reactions can be represented as follows:
Oxidation:
Reduction:
Chapter 21 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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