Acyl chlorides, esters and polyestersEdexcel International A Level Chemistry: Flashcards

What these 14 flashcards ask

How are acyl chlorides named?
How is an ester named?
What are the products of ethanoyl chloride and water?
What does ethanoyl chloride form with ethanol?
What does ethanoyl chloride form with concentrated ammonia?
What does ethanoyl chloride form with methylamine?
Why are acyl chlorides so reactive?
What is the advantage of an acyl chloride over a carboxylic acid for making esters?
What are the products of acid hydrolysis of ethyl ethanoate?
What are the products of alkaline hydrolysis of ethyl ethanoate?
Why does alkaline hydrolysis of an ester go to completion?
What type of monomers form a polyester?
Why is polyester formation condensation polymerisation?
Name the monomers of Terylene.

Exam questions on Acyl chlorides, esters and polyesters

Ethanoyl chloride, CH₃COCl, is a colourless liquid that fumes in moist air. It is used in the laboratory to make a range of other organic compounds.
Write a balanced equation for the reaction of ethanoyl chloride with concentrated ammonia and name the organic product.2 marks
Ethyl ethanoate is an ester used as a solvent. A student hydrolyses it by heating under reflux, first with dilute hydrochloric acid and then, in a second experiment, with aqueous sodium hydroxide.
Write the equation for the alkaline hydrolysis of ethyl ethanoate and state what must be added to the product mixture to obtain ethanoic acid.2 marks
Propanoyl chloride, CH₃CH₂COCl, is added separately to ethanol, to methylamine, CH₃NH₂, and to concentrated ammonia.
Name the organic product formed in each of the three reactions.3 marks

Written by the Exaim team, led by Shaun Daswani (Head of Upper Secondary, Improve ME Institute; MSc Financial Mathematics, Imperial College London; BSc, UCL) and Jason Daswani (operational lead, Improve ME Institute; LSE).