Carboxylic acids past paper questions

Chemistry 9701 · Carboxylic acids and derivatives. 1 recall the reaction by which benzoic acid can be produced: (a) reaction of an alkylbenzene with hot alkaline KMnO₄ and then dilute acid, exemplified by methylbenzene 2 describe the reaction of carboxylic acids with PCl ₃ and heat, PCl ₅ or SOCl ₂ to form acyl chlorides 3 recognise that some carboxylic acids can be further oxidised: (a) the oxidation of methanoic acid, HCOOH, with Fehling’s reagent or Tollens’ reagent or acidified KMnO₄ or acidified K₂Cr₂O₇ to carbon dioxide and water (b) the oxidation of ethanedioic acid, HOOCCOOH, with warm acidified KMnO₄ to carbon dioxide 4 describe and explain the relative acidities of carboxylic acids, phenols and alcohols

In Cambridge A Level Chemistry 9701, Carboxylic acids came up in 1 of the 139 papers on Paperstreak, for about 1 marks a paper when it does. It last came up in May/June 2019.

1 question, newest first

9701/12/M/J/19 Question 40 · 1 mark

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