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7 July, 22:37

Complete the reactions to show how butanoic acid may be converted to butanal.

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  1. 8 July, 00:34
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    Butanoic Acid is converted to Butanal in two steps;

    Step 1: Conversion of Butanoic Acid into Butyryl Chloride:

    Butanoic Acid when treated with Thionyl Chloride gives Butyryl Chloride, SO₂ and HCl gases. This step is selected due to conversion of a bad leaving group (-OH) into a good leaving group (-Cl).

    Step 2: Conversion of Butyryl Chloride to Butanal:

    In this reaction the Butyryl Chloride is reduced to Butanal by treating Butyryl Chloride with a mild reducing agent i. e. Lithium tri tert - butoxy aluminum hydride.
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