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Which of the following combinations of metals would produce the highest reading on the voltmeter? (A) Tin and zinc (B) Copper and zinc - HSC - SSCE Chemistry - Question 8 - 2007 - Paper 1

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Which-of-the-following-combinations-of-metals-would-produce-the-highest-reading-on-the-voltmeter?--(A)-Tin-and-zinc--(B)-Copper-and-zinc-HSC-SSCE Chemistry-Question 8-2007-Paper 1.png

Which of the following combinations of metals would produce the highest reading on the voltmeter? (A) Tin and zinc (B) Copper and zinc

Worked Solution & Example Answer:Which of the following combinations of metals would produce the highest reading on the voltmeter? (A) Tin and zinc (B) Copper and zinc - HSC - SSCE Chemistry - Question 8 - 2007 - Paper 1

Step 1

Determine Electrode Potential

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Answer

To determine which combination of metals produces the highest reading on the voltmeter, we need to consider the electrode potential of each metal pair. Copper has a higher electrode potential compared to zinc, making it a better choice for generating voltage.

Step 2

Evaluate the Options

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Answer

  1. Tin and Zinc: Tin has a relatively low electrode potential compared to copper. The result would not be as high as with copper.
  2. Copper and Zinc: Since copper has a significantly higher electrode potential than zinc, this combination will produce a higher reading on the voltmeter.

Step 3

Conclusion

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Answer

Based on the analysis, the combination of metals that produces the highest reading on the voltmeter is (B) Copper and zinc.

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