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18.4#1 Consider the following half-reactions: Half-reaction E° (V) Ag+(aq) + e----> Ag(s) 0.799V Cd2+(aq) + 2e-...

18.4#1

Consider the following half-reactions:

Half-reaction E° (V)
Ag+(aq) + e----> Ag(s) 0.799V
Cd2+(aq) + 2e- ----> Cd(s) -0.403V
Mg2+(aq) + 2e-  ---->  Mg(s) -2.370V
The strongest oxidizing agent is: ___
The weakest oxidizing agent is: ___
The weakest reducing agent is: ___
The strongest reducing agent is: ___


Will Mg2+(aq) reduce Ag+(aq) to Ag(s)? _____(yes or no)

Which species can be reduced by Cd(s)?
If none, leave box blank.
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Answer #1

Strongest oxidising agent will have high reduction value

So, Ag ( silver )

Weakest oxidising agent will have low reduction value

Mg

Weakest reducing agent will low reduction value

Ag

Strongest reducing agent

Mg

2. Yes Mg will reduce Ag+ to Ag because it oxidation potential ( reverse of reduction potential ) is very high.

3.Ag is reduced by Cd because Ag has high reduction potential than the Cd.

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