Process Of Oxidation Numbers Quiz

8 Questions | Total Attempts: 326

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Process Of Oxidation Numbers Quiz

Oxidation states simplify the whole process of working out what is being oxidized and what is being reduced in redox reactions. See if you can guess the following oxidation numbers.


Questions and Answers
  • 1. 
    What is the oxidation state of sulfur in S2O3?
    • A. 

      +2

    • B. 

      -2

    • C. 

      +3

    • D. 

      -3

  • 2. 
    What is the oxidation state of oxygen in S2O3?
    • A. 

      +2

    • B. 

      -2

    • C. 

      +3

    • D. 

      -3

  • 3. 
    • A. 

      +5

    • B. 

      -5

    • C. 

      +2

    • D. 

      -2

  • 4. 
    • A. 

      +2

    • B. 

      -2

    • C. 

      +5

    • D. 

      -5

  • 5. 
    What is the oxidation state of chromium in Na2Cr2O7?
    • A. 

      +2

    • B. 

      -2

    • C. 

      +6

    • D. 

      +7

  • 6. 
    What is the oxidation state of oxygen in Na2Cr2O7?
    • A. 

      +2

    • B. 

      -2

    • C. 

      +7

    • D. 

      -7

  • 7. 
    What is the oxidation state of aluminum in Al2(SO4)3?
    • A. 

      +2

    • B. 

      -2

    • C. 

      +3

    • D. 

      -3

  • 8. 
    What is the oxidation state of sodium in Na2O2?
    • A. 

      +1

    • B. 

      -1

    • C. 

      +2

    • D. 

      -2