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Learning objective

Explain how to differentiate saturated hydrocarbons from unsaturated ones using their reaction with aqueous bromine.

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Cambridge IGCSE Combined ScienceOrganic chemistryCore content

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Quick explanation

Explain how to differentiate saturated hydrocarbons from unsaturated ones using their reaction with aqueous bromine

  • This point belongs to Alkenes, especially Alkenes outcomes.
  • You need to be able to explain how to differentiate saturated hydrocarbons from unsaturated ones using their reaction with aqueous bromine.
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Describe

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

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Paper 3 structured question: Alkenes

Paper 3Theory (Core)3 marks

Description

Bromine Water Test

When bromine water is added to a sample of hydrocarbon, the following observations are made: 1. The solution remains brown. 2. The solution turns colourless.

  1. a

    Analyse Explain the observations made when bromine water is added to saturated and unsaturated hydrocarbons.

    Aim for approximately 3 distinct marking points.

    [3]
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