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DP IB Chemistry: SL

Topic Questions

Home / IB / Chemistry: SL / DP / Topic Questions / 3. Periodicity / 3.2 Oxides, Group 1 & Group 17 / Structured Questions: Paper 2


3.2 Oxides, Group 1 & Group 17

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Question 1a

Marks: 1
a)
State the changes in the acid-base nature of the oxides across period 3 (from Na2O to Cl2O7).
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    Key Concepts
    Oxides

    Question 1b

    Marks: 1
    b)
    Write an equation for the reaction of sodium oxide with water.

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      Key Concepts
      Oxides reacting with water

      Question 1c

      Marks: 1
      c)
      Predict how the pH of water will change when phosphorus(V) oxide is added.
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        Key Concepts
        Oxides reacting with water

        Question 1d

        Marks: 1
        d)
        What is the product when SO3 reacts with water.
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          Key Concepts
          Oxides reacting with water

          Question 2a

          Marks: 1
          a)
          State the equation for the reaction of sodium metal with water.
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            Key Concepts
            Alkali Metals

            Question 2b

            Marks: 2
            b)
            Describe two changes that could be observed during the reaction of sodium metal with water.
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              Key Concepts
              Alkali Metals

              Question 2c

              Marks: 1
              c)
              Predict the relative reaction rates of lithium, sodium and potassium with water.
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                Key Concepts
                Alkali Metals

                Question 2d

                Marks: 2
                d)
                State two differences between the reactions of sodium and potassium with water.
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                  Key Concepts
                  Alkali Metals

                  Question 3a

                  Marks: 1
                  a)
                  State the balanced chemical equation for the reaction of potassium bromide, KBr (aq), with chlorine, Cl2 (g).
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                    Key Concepts
                    Halogens

                    Question 3b

                    Marks: 1
                    b)
                    Describe the colour change likely to be observed in the previous reaction.
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                      Key Concepts
                      Halogens

                      Question 3c

                      Marks: 1
                      c)
                      State the equation for the reaction between potassium and chlorine.
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                        Key Concepts
                        Alkali Metals

                        Question 3d

                        Marks: 3
                        d)
                        Explain the trend in reactivity of the halogens.
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                          Key Concepts
                          Halogens


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