Edexcel A-Level Chemistry AS 4.7 Bond Breaking Can Be I Homolytic to Produce Free Radicals Ii Heterolytic to Produce Ions Questions

Use marked Edexcel IAL Chemistry questions to distinguish homolytic and heterolytic bond fission, the particles formed and the electron movement in mechanisms.

Exam points

Distinguish homolytic fission forming free radicals from heterolytic fission forming ions.
Interpret curly arrows and identify bond fission in radical mechanisms.

[Maximum number: 2]

This question is about 2-Chloropropane.

Figure for Question Edexcel A-Level Chemistry AS 4.7 Bond Breaking Can Be I Homolytic to Produce Free Radicals Ii Heterolytic to Produce Ions Questions question 1 — Edexcel A-Level Chemistry AS

2-Chloropropane can be produced by reacting propane with chlorine in a homolytic free radical reaction.

\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{3}+\mathrm{Cl}_{2} \rightarrow \mathrm{CH}_{3} \mathrm{CHClCH}_{3}+\mathrm{HCl}

Using your answer to (b)(i), state what is meant by the terms homolytic and free radical.
homolytic
free radical

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Edexcel A-Level Chemistry AS 4.7 Bond Breaking Can Be I Homolytic to Produce Free Radicals Ii Heterolytic to Produce Ions Questions question 1