CAIE A Level Chemistry 9701 · Nitrogen compounds

Nitrogen compounds: describe question

Describe6 marksChallenge

A student plans to prepare propylamine, CHX3CHX2CHX2NHX2\ce{CH3CH2CH2NH2}, by heating 1-bromopropane with ammonia in ethanol under pressure.

Describe how this reaction occurs, including the role of the ethanol and the reason for heating under pressure. In your answer, name the initial organic product and explain how propylamine is finally obtained.

0 words · 6 marks

No account needed for your first marks. Your answer is used only to mark it.

How this question is marked

6 marks, so the mark scheme is looking for about 6 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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