Standard Reduction Potentials of 1/2 Cells

  • #1

Homework Statement


Use half-reactions and E's to determine the result of storing a solution of CuSO4 in a tin container.


Homework Equations


[Table of Standard Reduction Potentials of Half-Cells]


The Attempt at a Solution


My question isn't exactly how to do this question. I was just wondering, how can you tell whether the Cu2+ ion will react in this way: Cu2+ + 2e- ---> Cu(s) or whether it will react like this: Cu2+ + e- ---> Cu+ ?
 

Answers and Replies

  • #2
symbolipoint
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Which has the greater standard reduction potential? The one for cuprous ion or the one for the tin ion? Check in you table of standard reduction potentials.
 
  • #3
well then how do u know Cu2+ will ever react to form Cu+? Because the reaction that yields Cu(s) always has a high reduction potential.
 

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