A student performed three tests to investigate the relative activity of metals - HSC - SSCE Chemistry - Question 13 - 2003 - Paper 1
Question 13
A student performed three tests to investigate the relative activity of metals. In each test a metal strip was placed in a solution containing ions of a different me... show full transcript
Worked Solution & Example Answer:A student performed three tests to investigate the relative activity of metals - HSC - SSCE Chemistry - Question 13 - 2003 - Paper 1
Step 1
Metal X deposited on Y
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Answer
This indicates that X is more reactive than Y since X can displace Y from its compound.
Step 2
Metal Y deposited on Z
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This suggests that Y is more reactive than Z since Y can displace Z in the reaction.
Step 3
No reaction
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This shows that Z cannot displace X, indicating that Z is the least reactive of the three metals.
Step 4
Conclusion
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Putting this information together, we can determine that the order of activity of the metals is Z > X > Y, which corresponds to option (D).
