Have an account?
Skip to Content
Build your own quiz
Suggestions for you
20 questions
Show Answers
See Preview
- 1. Multiple Choice
In a Galvanic Cell, the anode is...
positive
negative
- 2. Multiple Choice
In a Galvanic Cell, the cathode is...
positive
negative
- 3. Multiple Choice
Oxidation occurs at the...
anode
cathode
- 4. Multiple Choice
Reduction occurs at the...
anode
cathode
- 5. Multiple Choice
In a Galvanic cell, the electrons flow from the...
anode to the cathode
cathode to the anode
- 6. Multiple Choice
Ecell =
Ered - Eox
Ered + Eox
Eox - Ered
Eox + Ered
- 7. Multiple Choice
In the list of standard electrode potentials, the strongest reducing agent is...
K
K+
F2
F-
- 8. Multiple Choice
In the list of standard electrode potentials, the strongest oxidising agent is...
K
K+
F2
F-
- 9. Multiple Choice
In a redox reaction, the oxidising agent... (choose two options)
is oxidised
is reduced
increases its oxidation number
decreases its oxidation number
- 10. Multiple Choice
In a redox reaction, the reducing agent... (choose two options)
is oxidised
is reduced
increases its oxidation number
decreases its oxidation number
- 11. Multiple Choice
In a Galvanic cell, the cations in the salt bridge...
flow the same way as the electrons flow in the wire
flow the opposite way to the electron flow in the wire
stay in the salt bridge
- 12. Multiple Choice
In a Galvanic Cell, the salt bridge...
completes the circuit so that electrons can flow through the wire
maintains charge balance
is soaked in an unreactive electrolyte such as KNO3
all of the above
- 13. Multiple Choice
In the above Galvanic Cell, which half cell is undergoing reduction?
Cu | Cu2+
Zn | Zn2+
- 14. Multiple Choice
In any Galvanic Cell, which half cell will undergo reduction?
The half cell with the lower standard electrode potential
The half cell with the higher standard electrode potential
- 15. Multiple Choice
If an electrochemical reaction is spontaneous, what will Ecell be?
positive
negative
- 16. Multiple Choice
Consider the galvanic cell reaction Zn (s) + Cu2+ (aq) → Cu (s) + Zn2+ (aq) When the cell is running spontaneously, which is the only true statement?
The copper electrode loses mass and the zinc electrode is the cathode.
The copper electrode gains mass and the copper electrode is the cathode.
The zinc electrode gains mass and the zinc electrode is the anode.
The zinc electrode loses mass and the zinc electrode is the cathode.
- 17. Multiple Choice
A certain galvanic cell has for its spontaneous cell reaction: Zn + HgO → ZnO + Hg
Which is the half-reaction occurring at the anode?
HgO + 2 e- → Hg + O2-
Zn2+ + 2 e- → Zn
Zn → Zn2+ + 2 e-
ZnO + 2 e- → Zn
- 18. Multiple Choice
A certain galvanic cell has for its spontaneous cell reaction: Zn + HgO → ZnO + Hg
Which is the half-reaction occurring at the cathode?
HgO + 2 e- → Hg + O2-
Hg → Hg2+ + 2 e-
Zn → Zn2+ + 2 e-
ZnO + 2 e- → Zn
- 19. Multiple Choice
What is the standard electrode which all other standard electrode potentials are measured against?
helium
hydrogen
magnesium
potassium
- 20. Multiple Choice
Select all the standard conditions used to measure the standard electrode potentials:
electrolyte solution 1 moldm-3
298K temperature
all chemicals in gaseous form
1atm pressure
standard hydrogen electrode as comparison
- Answer choicesTagsAnswer choicesTags