CAIE A Level Chemistry 9701 · Carboxylic acids and derivatives
A student investigates the reaction of ethanoyl chloride, , with water at room temperature.
(a) Describe, in words, the addition–elimination mechanism for this reaction.
(b) Explain why ethanoyl chloride undergoes hydrolysis much more readily than chloroethane, , and chlorobenzene, .
7 marks, so the mark scheme is looking for about 7 separate creditworthy points. Making the same point twice in different words earns it once.
Describe means: Say what happens or what something is like, in order and with detail. You are not being asked why. If there is data, quote it: name the trend, then give figures with units at the points where it changes.
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