CAIE A Level Chemistry 9701 · An introduction to organic chemistry
When ethanoyl chloride, , is added to water, it reacts vigorously to form ethanoic acid and hydrogen chloride. Describe the mechanism of this reaction, including the role of the water molecule and the overall change in the functional group.
5 marks, so the mark scheme is looking for about 5 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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