Learning objective

Discuss the displacement reactions that occur between halogens and other halide ions, providing explanations for these reactions.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

Cambridge IGCSE Combined ScienceThe Periodic TableSupplement content

Study support

Understand this objective

Quick explanation

This point belongs to Group VII properties, especially Group VII properties outcomes.
You need to be able to discuss the displacement reactions that occur between halogens and other halide ions, providing explanations for these reactions.
The key ideas to know are Describe, Explain, and Discuss.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

DescribeExplainDiscuss

Why it matters

This objective helps connect Group VII properties outcomes to exam-style questions, flashcards, and revision notes for Group VII properties.

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Flashcards10 linked cards

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Practice Questions7 linked questions

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Paper 4Theory (Extended)2 marks

Description

When chlorine gas is bubbled through a solution of sodium bromide, bromine is produced along with sodium chloride.

a
Explain why chlorine can displace bromine from sodium bromide.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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