CAIE A-Level Chemistry AS 18.2.2 Hydrolysis of Esters By Dil Acid and By Dil Questions

Practise CAIE 9701 ester hydrolysis with dilute acid or hot alkali, identifying carboxylic acid or carboxylate and alcohol products.

Exam points

with dilute acid and heat, split the ester into a carboxylic acid and an alcohol
with dilute alkali and heat, form a carboxylate salt and an alcohol rather than free acid
assign each product by tracing the acyl and alkoxy sides of the original –COO– linkage

[Maximum number: 2]

Allyl chloride is an important chemical used in the manufacture of plastics, pharmaceuticals and pesticides.

allyl chloride

A series of reactions starting from allyl chloride is shown.

Figure for Question CAIE A-Level Chemistry AS 18.2.2 Hydrolysis of Esters By Dil Acid and By Dil Questions question 1 — CAIE A-Level Chemistry AS

The organic product of reaction 3 is Y.
Y can be hydrolysed using excess aqueous $\mathrm{H}_{2} \mathrm{SO}_{4}$ to form Z.
The molecular formula of Z is $\mathrm{C}_{4} \mathrm{H}_{8} \mathrm{O}_{4}$ .
Draw the structure of Z.

All question bank results loaded

CAIE A-Level Chemistry AS 18.2.2 Hydrolysis of Esters By Dil Acid and By Dil Questions question 1