Redox Reactions WebAssign
couple and the Ag+/Ag couple. You will use this to set up your voltmeter so a positive reading is obtained. Recall from Equations 4 6 that copper metal donates electrons to silver ions. Copper metal is oxidized in this reaction, so the Cu2+/Cu couple is the anode. Silver ion is reduced, so the Ag+/Ag couple is the cathode. Electrons travel ...