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1.2 The periodic table

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Question 18

A student mixes iodine solution with potassium bromide solution. The mixture does not change colour. Which statement explains this observation?

[1]
A

Iodine and bromine are in the same group, so they do not react with each other's salts

B

Iodine is less reactive than bromine, so it cannot displace bromine from the salt

C

Iodine molecules are diatomic, so they cannot gain electrons from bromide ions

D

Iodine is more reactive than bromine, so it cannot displace bromine from the salt

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1.2 The periodic table Questions

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

82 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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