Learning objective

Discuss the characteristics of alkenes regarding their addition reactions with: (a) bromine, (b) hydrogen in the presence of a nickel catalyst, and (c) steam with an acid catalyst.

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Exam focus

Cambridge IGCSE Combined ScienceOrganic chemistrySupplement content

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Quick explanation

This point belongs to Alkenes, especially Alkenes outcomes.
You need to be able to discuss the characteristics of alkenes regarding their addition reactions with: (a) bromine, (b) hydrogen in the presence of a nickel catalyst, and (c) steam with an acid catalyst.
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

Why it matters

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

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Practice Questions7 linked questions

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Paper 4Theory (Extended)2 marks

Description

Alkenes can undergo addition reactions with bromine, hydrogen, and steam.

a
Describe the reaction of alkenes with bromine and the significance of this reaction.
Your answer
Aim for approximately 2 distinct marking points.
[2]

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