CAIE A Level Chemistry 9701 · Carboxylic acids and derivatives

Carboxylic acids and derivatives: describe question

Describe7 marksChallenge

Propanoic acid, CHX3CHX2COOH\ce{CH3CH2COOH}, is a carboxylic acid. Describe two methods for the preparation of propanoic acid from other organic compounds. For each method, state the starting material, reagents, conditions, and the overall equation. Then describe the reactions of propanoic acid with each of the following reagents: (i) a reactive metal such as magnesium, (ii) an alkali such as sodium hydroxide, (iii) a carbonate such as sodium carbonate, (iv) an alcohol such as ethanol, and (v) lithium tetrahydridoaluminate(III) (LiAlHX4\ce{LiAlH4}). For each reaction, state the reagents, conditions, and the organic product(s).

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