Asked by Anonymous
Why does copper turnings dissolve in AgNo3 solution but remains soluble in PbNo3 solition
Answers
Answered by
DrBob222
The activity series is for these three metals is as follows:
Pb ==> Pb^2+ + 2e
Cu ==> Cu^2+ + 2e
Ag ==> Ag^e + e
A metal ABOVE will dissolve and plate out an ION of a metal below. So Cu will go into solution (dissolve) and AgNO3 will deposit Ag metal. But Pb will stay as is and not dissolve in a Cu solution.
Cu is more easily oxidized (Cu ==> Cu^2+ + 2e) than Ag.
Pb ==> Pb^2+ + 2e
Cu ==> Cu^2+ + 2e
Ag ==> Ag^e + e
A metal ABOVE will dissolve and plate out an ION of a metal below. So Cu will go into solution (dissolve) and AgNO3 will deposit Ag metal. But Pb will stay as is and not dissolve in a Cu solution.
Cu is more easily oxidized (Cu ==> Cu^2+ + 2e) than Ag.
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