Electrolysis and Chemical/Fuel cells

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Chemistry

GCSE Chemistry

AQA

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1
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What is electrolysis

The process of using an electrical current to cause a reaction

2
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What is a cation typically

A metal or hydrogen

3
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What are anions

Non - metals

4
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During the electrolysis of copper chloride solution what can be found at the cathode

Coating of copper

5
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During the electrolysis of copper chloride solution what can be found at the anode

Bubbling due to chlorine gas being released

6
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Write the half equation for the cathode during electrolysis of copper chloride

Cu2+ + 2e- → Cu

7
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Write the half equation for the anode during electrolysis of copper chloride

2Cl- → Cl2 + 2e-

8
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What is oxidation

Loss of electrons

9
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What is reduction

Gain of electrons

10
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What is brine

Aqueous sodium chloride