Silver is plated on copper by immersing a piece of copper into a solution containing silver ions.In the plating reaction,silver ions
A)lose one electron and are oxidized.
B)lose one electron and are reduced.
C)gain one electron and are oxidized.
D)gain one electron and are reduced.

Question

Quizplus · Accepted Answer

In the plating reaction, silver ions gain one electron from the copper substrate and are reduced to form silver atoms, which then deposit onto the copper surface. Therefore, the correct choice is D - silver ions gain one electron and are reduced.

Silver Is Plated on Copper by Immersing a Piece of Copper