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DP IB Chemistry: SL

Topic Questions

Home / IB / Chemistry: SL / DP / Topic Questions / 8. Acids & Bases / 8.3 Acid Deposition / Structured Questions: Paper 2


8.3 Acid Deposition

Question 1a

Marks: 2
a)
Determine the hydrogen and hydroxide ion concentration of naturally occurring rainwater, of pH 5.6.
[2]
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    Question 1b

    Marks: 2
    b)
    Write equations to represent the formation of naturally occurring rain water.
    [2]
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      Key Concepts
      Acid Deposition

      Question 1c

      Marks: 1
      c)
      The solubility of carbon dioxide in water at 25 oC is 0.1449 g per 100 mL water. Determine the concentration of the dissolved carbon dioxide in mol dm-3.
      [1]

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        Question 1d

        Marks: 1
        d)
        Determine the solubility of CO2 in ppm.
        [1]
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          Question 2a

          Marks: 4
          a)
          Acid rain can release nitrates in the soil that wash into waterways and cause eutrophication.
          Discuss the meaning of the term eutrophication and its impact on plant life.
          [4]
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            Question 2b

            Marks: 1
            b)
            Identify a metal whose toxic ions can be released into waterways from the effects of acid deposition.
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              Question 2c

              Marks: 1
              c)
              Aluminium hydroxide can be dissolved out of rocks under acidic conditions and release aluminium ions into the environment. Formulate an ionic equation for the reaction.
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                Question 2d

                Marks: 1
                d)
                Aluminium hydroxide is amphoteric and can react with alkalis to form aluminate salts. Formulate an equation for the reaction between aluminium hydroxide and sodium hydroxide.
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                  Question 3a

                  Marks: 4
                  a)
                  Two of the four oxoacids found in acid deposition are sulfurous acid, H2SO3 and nitrous acid, HNO2.
                  Write equations to show the formation of these oxoacids from sulfur and nitrogen.
                  [4]
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                    Question 3b

                    Marks: 2
                    b)
                    State the name and formula of the conjugate base of sulfurous acid, H2SO3.
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                      Question 3c

                      Marks: 2
                      c)
                      Suggest ways of decreasing the impact of sulfurous acid on the environment.
                      [2]
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