Question detail

Describe the steps involved in planning a synthetic route to convert ethene (C2H4) into butan-1-ol (C4H10O).

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Question

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Style

Topic

Organic synthesis (A-level only)

Question

Describe the steps involved in planning a synthetic route to convert ethene (C2H4) into butan-1-ol (C4H10O).

Answer

To convert ethene to butan-1-ol, first, perform an electrophilic addition reaction with bromine (Br2) to form 1,2-dibromoethane. Next, react 1,2-dibromoethane with sodium hydroxide (NaOH) in a nucleophilic substitution reaction to produce butan-1-ol.

Explanation

This answer demonstrates an understanding of organic synthesis by outlining a clear sequence of reactions. It tests the ability to plan synthetic routes by identifying the necessary reagents and reaction types.

Common mistake

Incorrect reagent selection

Students often choose reagents that do not facilitate the desired reaction in the synthetic route.

Review the reactivity and compatibility of reagents with the functional groups present in the organic compounds involved.

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