3. In a zinc-copper electrochemical cell, the oxidizing agent a. loses electrons to the cations. b. loses electrons at the anode. c. gains electrons at the cathode. d. gains electrons from the anions. 4. Which way do electrons migrate in an electrochemical cell? a. from the anode to the cathode through the porous glass. b. from the cathode to the anode through the porous glass. c. from the anode to the cathode through the external circuit. d. c. from the cathode to the anode through the external circuit. 5. In a voltaic cell, oxidation occurs at the and is the electrode. a. anode, positive b. anode, negative c. cathode, positive d. cathode, negative

Chemistry & Chemical Reactivity
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Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter19: Principles Of Chemical Reactivity: Electron Transfer Reactions
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Problem 45PS: An aqueous solution of KBr is placed in a beaker with two inert platinum electrodes. When the cell...
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3. In a zinc-copper electrochemical cell, the oxidizing agent
a. loses electrons to the cations.
b. loses electrons at the anode.
c. gains electrons at the cathode.
d. gains electrons from the anions.
4. Which way do electrons migrate in an electrochemical cell?
a. from the anode to the cathode through the porous glass.
b. from the cathode to the anode through the porous glass.
c. from the anode to the cathode through the external circuit.
d. c. from the cathode to the anode through the external circuit.
5. In a voltaic cell, oxidation occurs at the
and is the
electrode.
a. anode, positive
b. anode, negative
c. cathode, positive
d. cathode, negative
Transcribed Image Text:3. In a zinc-copper electrochemical cell, the oxidizing agent a. loses electrons to the cations. b. loses electrons at the anode. c. gains electrons at the cathode. d. gains electrons from the anions. 4. Which way do electrons migrate in an electrochemical cell? a. from the anode to the cathode through the porous glass. b. from the cathode to the anode through the porous glass. c. from the anode to the cathode through the external circuit. d. c. from the cathode to the anode through the external circuit. 5. In a voltaic cell, oxidation occurs at the and is the electrode. a. anode, positive b. anode, negative c. cathode, positive d. cathode, negative
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