Do you know where oxidation takes place?
Electrolysis Quiz
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Question 1 of 15Question 1
What is an electrolyte?
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Question 2 of 15Question 2
Use some of the following words to fill in the blanks:
Active, direct, indirect, electrical, magnetic
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Fill in the blanks: Electrolysis is a process in which energy from a current supply is used to decompose electrolytes.
Correct 2 / 2 PointsIncorrect / 2 Points -
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Question 3 of 15Question 3
During electrolysis which electrode do anions and cations migrate to?
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Question 4 of 15Question 4
Use some of the following words to fill in the blanks:
Gain, loss, anode, cathode-
Oxidation refers to the of electrons and it occurs at the
Correct 2 / 2 PointsIncorrect / 2 PointsUse some of the following words:
cathode
anode
loss
gain
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Question 5 of 15Question 5
Complete the following half equation for a reaction the cathode during electrolysis of molten zinc chloride. Zn²⁺ + ….. → Zn
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Question 6 of 15Question 6
Complete the following half equation for a reaction the cathode during electrolysis of molten lead bromide. Pb²⁺ + 2e → …..
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Question 7 of 15Question 7
Which electrode would the ion Mg²⁺ migrate to during electrolysis?
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Question 8 of 15Question 8
Copper can be purified using electrolysis of copper sulfate solution. For this process, we use the setup in the image below. Complete the half equation for the reaction at the anode. Cu → ….. + …..
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Question 9 of 15Question 9
Copper can be purified using electrolysis of copper sulfate solution. For this process, we use the setup in the image below. Complete the half equation for the reaction at the cathode. Cu²⁺ + 2e →
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Question 10 of 15Question 10
When using inert electrodes to perform electrolysis with copper chloride solution, which products will be produced at the anode and cathode?
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Question 11 of 15Question 11
When using inert electrodes to perform electrolysis with sodium chloride solution, which products will be produced at the anode and cathode?
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Question 12 of 15Question 12
When using inert electrodes to perform electrolysis with sodium sulfate solution, which products will be produced at the anode and cathode?
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Question 13 of 15Question 13
When using inert electrodes to perform electrolysis with water acidified with sulfuric acid, which products will be produced at the anode and cathode?
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Question 14 of 15Question 14
When using inert electrodes to perform electrolysis with molten lead bromide, which products will be produced at the anode and cathode?
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Question 15 of 15Question 15
Use some of the following words to fill in the blanks:
Loss, gain, anode, cathode-
Fill in the blanks: Reduction refers to the of electrons and it occurs at the
Correct 2 / 2 PointsIncorrect / 2 PointsUse some of the following words:
anode
cathode
loss
gain
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