Reduction And Oxidation Reactions

6 Questions | Total Attempts: 151

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Oxidation Number Quizzes & Trivia

This quiz will test you on the material given to you in the two Wikipedia articles and the YouTube video.


Questions and Answers
  • 1. 
    In a reduction reaction, the element gains electrons.
    • A. 

      True

    • B. 

      False

  • 2. 
    Sulfuric acid is a weak acid.
    • A. 

      True

    • B. 

      False

  • 3. 
    Consider the dehydration of sugar by sulfuric acid. C12H22O11 (Sugar) + H2SO4 (Sulfuric Acid) → 12C (Graphite) +11H2O (Water) + H2SO4+ Heat Is this a redox reaction?
    • A. 

      Yes. Carbon is oxidized and Oxygen is reduced.

    • B. 

      Yes. Carbon is reduced and Oxygen is oxidized.

    • C. 

      Yes. Carbon is oxidized and Sulfur is reduced

    • D. 

      No. This is not a redox reaction.

  • 4. 
    The reaction in the second video can be described by the following reaction.Fe(s) +CuSO4(aq)  ---> FeSO4(aq) + Cu(s)What are the oxidation states of the reactants?
    • A. 

      Fe =0, Cu = +2, S = +6, O = -2

    • B. 

      Fe =+2, Cu = -2, S = +6, O = -2

    • C. 

      Fe =+3, Cu = +2, S = +6, O = -1

    • D. 

      Fe =0, Cu = +2, S = -6, O = +2

  • 5. 
    What are the oxidation states of the products in the reaction Fe(s) +CuSO4(aq)  ---> FeSO4(aq) + Cu(s)
    • A. 

      Fe = -1, S = +6, O =+2, Cu = +2

    • B. 

      Fe = +1, S = -6, O = -1, Cu = -1

    • C. 

      Fe = +2, S = +6, O = -2, Cu = 0

    • D. 

      Fe = 0, S = +2, O = +6, Cu = +1

  • 6. 
    Is the reaction Fe(s) +CuSO4(aq)  ---> FeSO4(aq) + Cu(s) a redox reaction?
    • A. 

      True

    • B. 

      False

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