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Interpretation: The relative tendency of two metals to get oxidized needs to be explained based on their relative activities.
Concept Introduction: In an
In oxidation, the loss of electrons takes place by an element and its oxidation state increases Similarly in reduction, the gain of electrons takes place by an element. Here, the oxidation state of the element decreases.
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Explanation of Solution
If 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).
On moving from bottom to top in the activity series, the reduction electrode potential decreases thus, metals can easily get oxidized.
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Chapter 21 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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