Question 1

According to the Activity Series Chart, which of the following metals can displace copper from a solution of copper(II) sulfate?

Accepted Answer

Zinc

Question 2

Which statement best describes the role of a reducing agent in a redox reaction?

Accepted Answer

It loses electrons and is oxidized.

Question 3

Given the reaction: $ \mathrm{Fe} (s) + \mathrm{CuSO}_4 (aq) \rightarrow \mathrm{FeSO}_4 (aq) + \mathrm{Cu} (s) $, use the Activity Series Chart to determine if this reaction is spontaneous.

Accepted Answer

Yes, because iron is higher than copper in the activity series.

Question 4

Which element is the best reducing agent according to the Activity Series Chart?

Accepted Answer

Manganese

Question 5

If you want to precipitate nickel from a solution of $ \mathrm{Ni}^{2+} $ ions, which metal should you add?

Accepted Answer

Tin

Question 6

Which of the following reactions will NOT occur spontaneously according to the Activity Series Chart?

Accepted Answer

$ \mathrm{Ag} (s) + \mathrm{Al}^{3+} (aq) \rightarrow \mathrm{Ag}^{+} (aq) + \mathrm{Al} (s) $

Question 7

A student mixes aluminum metal with a solution of iron(III) chloride. What is the expected outcome?

Accepted Answer

Aluminum will displace iron, forming aluminum chloride and iron metal.

Question 8

Which of the following best explains why lithium is placed at the top of the Activity Series Chart?

Accepted Answer

Lithium is the strongest reducing agent.

Question 9

In the reaction $ \mathrm{Mg} (s) + \mathrm{CuSO}_4 (aq) \rightarrow \mathrm{MgSO}_4 (aq) + \mathrm{Cu} (s) $, which species is oxidized?

Accepted Answer

Magnesium

Question 10

Which of the following metals would NOT be able to displace hydrogen from hydrochloric acid?

Accepted Answer

Copper

Question 11

A patient is exposed to silver nitrate. Which metal could be used to safely remove silver ions from their bloodstream via a redox reaction?

Accepted Answer

Zinc

Question 12

Which of the following statements about the Activity Series Chart is TRUE?

Accepted Answer

Elements higher on the chart are more likely to be oxidized.

Question 13

Which of the following reactions represents a non-spontaneous redox process?

Accepted Answer

$ \mathrm{Ag} (s) + \mathrm{Cu}^{2+} (aq) \rightarrow \mathrm{Ag}^{+} (aq) + \mathrm{Cu} (s) $

Question 14

Which metal would you choose to extract lead from a solution of $ \mathrm{Pb}^{2+} $ ions?

Accepted Answer

Zinc

Question 15

What is the correct order of metals from strongest to weakest reducing agent according to the Activity Series Chart?

Accepted Answer

Lithium > Potassium > Calcium > Zinc

Redox Reactions and the Activity Series in GOB Chemistry

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