Which redox reaction would most likely occur if silver and zinc metal were added to a solution that contained silver and zinc ions?Click for a reduction potential chartA.Zn + 2Ag Zn2+ + 2Ag+B.Zn2+ + 2Ag Zn + 2Ag+C.Zn2+ + 2Ag+ Zn + 2AgD.Zn + Ag+ Zn2+ + 2Ag
Question
Which redox reaction would most likely occur if silver and zinc metal were added to a solution that contained silver and zinc ions?Click for a reduction potential chartA.Zn + 2Ag Zn2+ + 2Ag+B.Zn2+ + 2Ag Zn + 2Ag+C.Zn2+ + 2Ag+ Zn + 2AgD.Zn + Ag+ Zn2+ + 2Ag
Solution
To answer this question, we need to understand the concept of redox reactions and reduction potentials.
Redox reactions involve the transfer of electrons from one species to another. In these reactions, one species is reduced (gains electrons) and the other is oxidized (loses electrons).
The reduction potential is a measure of the tendency of a chemical species to acquire electrons and thereby be reduced. A species with a higher reduction potential is more likely to be reduced than a species with a lower reduction potential.
Looking at the reduction potential chart, we can see that silver ions (Ag+) have a higher reduction potential than zinc ions (Zn2+). This means that silver ions are more likely to gain electrons and be reduced than zinc ions.
Therefore, if silver and zinc metal were added to a solution that contained silver and zinc ions, the most likely redox reaction to occur would be the one where silver ions are reduced and zinc metal is oxidized.
This corresponds to the reaction: Zn + 2Ag+ → Zn2+ + 2Ag (Option D)
In this reaction, zinc metal (Zn) loses two electrons to become zinc ions (Zn2+), and silver ions (Ag+) gain these electrons to become silver metal (Ag). This is the most likely redox reaction to occur based on the reduction potentials of silver and zinc.
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