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Consider the following half cells which are set up under standard conditions - VCE - SSCE Chemistry - Question 11 - 2007 - Paper 1
Question 11
Consider the following half cells which are set up under standard conditions. | half cell | electrode | electrolyte | |-----------|-----------|-------------| | I ... show full transcript
Worked Solution & Example Answer:Consider the following half cells which are set up under standard conditions - VCE - SSCE Chemistry - Question 11 - 2007 - Paper 1
Step 1
The strongest oxidant is:
Answer
To find the strongest oxidant among the given half cells, we need to compare the standard reduction potentials of the species involved. Typically, the half-cell with the highest standard reduction potential acts as the strongest oxidant.
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Identify Reducing Agents:
- A²⁺(aq)
- B³⁺(aq)
- C²⁺(aq)
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Evaluate Potential: The half-cell notation suggests that A is a reducing agent in half cell I, while B is in half cell II, and C is in half cell III. Given that the electrode potentials are generally higher for more oxidizing agents, we can deduce:
- A₂⁺ being reduced is a stronger oxidizing agent than B³⁺ and C²⁺.
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Conclusion: Thus, considering the behavior of these half cells in galvanic cells as presented, the strongest oxidant is A²⁺(aq). Therefore, the correct option is A.