Homework Help: Chem

Posted by lou on Friday, May 13, 2011 at 11:12pm.

For this equation
2 Ag+ (aq) + Cu(s) <--> Cu2+ (aq) + 2 Ag(s)

Which occurs at the anode?

A. Cu --> Cu2+ + 2e–
B. Cu2+ + 2e– --> Cu
C. Ag+ + e– -->Ag
D. Ag --> Ag+ + e–

A, right because it's oxidation?

Chem - DrBob222, Friday, May 13, 2011 at 11:39pm
Oxidation occurs at the anode. Which is losing electrons.
Chem - lou, Friday, May 13, 2011 at 11:45pm
So Cu--> Cu2+ +2e- is losing electrons, right? Because its becoming positive
Chem - DrBob222, Saturday, May 14, 2011 at 12:58am
That's right and the equation of Cu ==> Cu^2+ + 2e shows it losing two electrons.

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