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1.2 The periodic table

1.2 The periodic table

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Question 14

The halogens in Group 7 of the periodic table exhibit clear trends in their reactivity and properties.

a.

Explain the trend in reactivity as you go down Group 7 from fluorine to iodine.

[4]
b.

A student mixes bromine water, Br2(aq)\text{Br}_2\text{(aq)}Br2​(aq), with a solution of sodium iodide, NaI(aq)\text{NaI(aq)}NaI(aq).

  • State whether a displacement reaction occurs.
  • Write the balanced ionic equation for this reaction, including state symbols.
  • Describe the colour change observed in the solution.
[4]
Markscheme

1.2 The periodic table Questions

  1. GCSE
  2. /Chemistry
  3. /1.2 The periodic table

22 exam-style questions on AQA GCSE Chemistry 1.2 The periodic table, covering 1.2.1 The periodic table, 1.2.2 Development of the periodic table, 1.2.3 Metals and non-metals, 1.2.4 Group 0, 1.2.5 Group 1, and 1.2.6 Group 7. Each one has a worked solution and a mark scheme showing where the marks go.

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