CAIE A-Level Chemistry 18.1.1 Preparation of Carboxylic Acids
Practise preparing carboxylic acids by oxidation and by hydrolysis of nitriles or esters with suitable 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
18.1.1—Preparation of carboxylic acids question 1
Y is made from Q in a three-step reaction.
Fig. 5.4
In step 2, W is heated with HCl(aq) to produce X and an inorganic product.
Identify the formula of the inorganic product.
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