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- 1. Multiple Choice
Oxidation occurs at the
anode
cathode
- 2. Multiple Choice
Reduction occurs at the
anode
cathode
- 3. Multiple Choice
What occurs to the mass of copper electrode in the following reaction?
Zn/Zn2+ // Cu2+/Cu
increases
decreases
remains the same
- 4. Multiple Choice
Which metal is the negative electrode?
Zn/Zn2+ // Cu2+/Cu
zinc
copper
- 5. Multiple Choice
What reaction occurs at the anode?
Ag+/Ag = 0.80V
Ni2+/Ni = -0.25V
Ag+ + e- →Ag
Ag → Ag+ + e-
Ni2+ + 2e- → Ni
Ni → Ni2+ + 2e-
- 6. Multiple Choice
What would be the theoretical cell potential of the previous electrochemical cell?
Ag+/Ag = 0.80V
Ni2+/Ni = -0.25V
1.05V
-1.05V
0.55V
-0.55V
- 7. Multiple Choice
What is a redox reaction?
A reaction where both reactants get reduced.
A reaction where both reactants get oxidized.
A reaction that involves a transfer of electrons between reactants.
A reaction that involves the combustion of at least one reactant.
- 8. Multiple Choice
What is a galvanic (voltaic) cell?
It is a cell that destroys electrons on one side and creates electrons on the other side.
It is a cell that contains only one metal bar and one aqueous ion solution.
It is a type of battery that drives a redox reaction when electricity is applied.
It is a type of battery that generates an electrical current from redox reactions.
- 9. Multiple Choice
Which of the following represents the reaction that occurs at the negative electrode in the above cell?
Pb / Pb(NO3)2 (1.0 M) || AgNO3 (1.0 M) / Ag
- 10. Multiple ChoiceWhat reaction occurs at the anode?Ag+ + e- →AgAg → Ag+ + e-Ni2+ + 2e- → NiNi → Ni2+ + 2e-
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