A diagram of an electrochemical cell is shown below - VCE - SSCE Chemistry - Question 3 - 2020 - Paper 1
Question 3
A diagram of an electrochemical cell is shown below.
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┌──────────────────────────┐
e⁻ │ Q │
│ P S ... show full transcript
Worked Solution & Example Answer:A diagram of an electrochemical cell is shown below - VCE - SSCE Chemistry - Question 3 - 2020 - Paper 1
Step 1
Electrode (oxidation half-cell):
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Answer
In an electrochemical cell, the oxidation half-cell is where oxidation occurs, meaning that the electrode loses electrons. In this case, the electrode involved in oxidation is identified as Q.
Step 2
Electrolyte (reduction half-cell):
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Answer
The reduction half-cell is where reduction takes place, which is indicated by the presence of the electrolyte that is involved in gaining electrons. Here, the electrolyte associated with the reduction process is P.
Step 3
Final Answer:
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Answer
The correct combination, as per the electrochemical conventions, is therefore option D: Electrode Q for the oxidation half-cell and electrolyte P for the reduction half-cell.
