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This question group is public and is used in 15 tests.

Author: teachchemistry
No. Questions: 10
Created: Jun 7, 2015
Last Modified: 7 years ago

Galvanic Cells

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Base your answers to the following questions on the diagram of a galvanic cell shown below.
Voltaic Galvanic Cell #2
Grade 10 Electrochemistry
Grade 10 Electrochemistry
Grade 10 Electrochemistry
C.
Which feature on this diagram is unique to galvanic cells?
  1. The wire
  2. The positioning of the anode to the left
  3. The positioning of the cathode to the right
  4. The salt bridge
Grade 10 Electrochemistry
D.
Which of the following is true about mass, as it relates to this diagram?
  1. The mass of the zinc electrode increases because electrons are being gained.
  2. The mass of the copper electrode increases because electrons are being gained.
  3. The mass of the copper electrode decreases because electrons are being lost.
  4. The mass of the zinc electrode decreases because electrons are being gained.
Grade 10 Electrochemistry
E.
Which diagram correctly describes chemical activity, as it relates to this diagram?
  1. Zinc is less chemically active than copper.
  2. Zinc and copper are equally chemically active.
  3. Zinc is more active than copper.
  4. None of the above
Grade 10 Electrochemistry
F.
When the galvanic cell shown is in operation, which of the following is true?
  1. The sulfate ion is attracted to the zinc electrode.
  2. The copper ion is attracted to the copper electrode.
  3. All ions, except for sulfate ions, will be attracted to the zinc electrode.
  4. Negative ions, including sulfate, will be attracted to the copper electrode.
Grade 10 Electrochemistry
G.
Where does oxidation occur in this galvanic cell?
  1. At the copper electrode
  2. At the zinc electrode
  3. In the salt bridge
  4. In the wire
Grade 10 Electrochemistry
H.
If this galvanic cell were changed to another type of cell involving a nonspontaneous reaction, which of the following would be true?
  1. The flow of electrons would change direction from what is shown.
  2. The charges of both electrodes would be positive.
  3. Zinc ions would gain electrons at the zinc electrode to become zinc atoms.
  4. None of the above
Grade 10 Electrochemistry
J.
Which statement explains why zinc and copper are poorer choices to make engagement rings than gold is?
  1. Zinc is less active than copper is, while copper is less active than gold is.
  2. Zinc is less active than gold is, while gold is less active than copper is.
  3. Gold is more active than both zinc and copper are, so it will oxidize (rust) more easily.
  4. Both zinc and copper are more active than gold is, so both will oxidize (rust) more easily.