CAIE A Level Chemistry 9701 · Halogen compounds

Halogen compounds: describe question

Describe7 marksChallenge

Bromoethane is a primary halogenoalkane. It reacts with aqueous sodium hydroxide on warming to form ethanol.

Describe the reaction of bromoethane with aqueous sodium hydroxide, including the reagents and conditions, the type of reaction, the mechanism, and the inductive effect of the ethyl group on the rate of this reaction.

0 words · 7 marks

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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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