What is being reduced in a zinc/magnesium battery?
Answer:
the half-reactions of reduction are :
Mg2+ + 2e- >> Mg E° = - 2.356 V
Zn2+ + 2e- >> Zn E° = - 0.763
The redox thar occur would be
Mg >> Mg2+ + 2e- E° = + 2.356 V
Zn2+ + 2e- >> Zn E° = - 0.763 V
------------------------------...
Mg (s) + Zn2+ (aq) >> Mg2+ (aq) + Zn (s) E° = 1.593 V
Zn2+ will be reduced
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