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CAIE A-Level Chemistry AS 18.1.1 Preparation of Carboxylic Acids Questions

Practise preparing CAIE 9701 carboxylic acids by reflux oxidation and by hydrolysing nitriles or esters with the correct work-up.

Syllabus
2028–2030
Course
Chemistry 9701
Level
AS

Exam points

  • reflux a primary alcohol or aldehyde with acidified dichromate or manganate(VII) to complete oxidation
  • hydrolyse a nitrile with dilute acid, or with dilute alkali followed by acidification
  • hydrolyse an ester with dilute acid or hot dilute alkali, acidifying a carboxylate product when required

CAIE A-Level Chemistry AS 18.1.1 Preparation of Carboxylic Acids Questions question 1

[Maximum number: 1]

Which reaction will form propanoic acid?

A

acidic hydrolysis of propyl ethanoate

B

alkaline hydrolysis of ethyl propanoate

C

acidic hydrolysis of propanenitrile

D

acidic hydrolysis of ethanenitrile

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