Interpretation: The metal which is more easily oxidized from copper and aluminum needs to be determined.
Concept Introduction: If a metal loses electron/s, oxidation takes place. If the activity series of metals is examined taking hydrogen as a reference, the metals above hydrogen can easily get oxidized and metals below hydrogen can easily get reduced (as they have more reduction potential value).
Explanation of Solution
On moving top to bottom in the activity series, the reduction electrode potential increases thus, metals can easily get reduced.
On comparing copper and aluminum, copper is placed below aluminum; thus, it has more reduction electrode potential and it more easily gets reduced. Since the loss of electron/s takes place in oxidation, aluminum more easily loses an electron.
Chapter 21 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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