CAIE A Level Chemistry 9701 · Nitrogen compounds
A student wishes to prepare samples of ethylamine, , and diethylamine, . Compare the methods available for synthesising these two amines, including reagents and conditions, and discuss the relative basicities of ethylamine, diethylamine, and ammonia in aqueous solution.
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.
Compare means: Give similarities or differences between two things, and say which side each point belongs to. Write each point as a pair, for example: A is X, whereas B is Y. Two separate descriptions rarely earn the marks.
Written by Markquill to follow the Cambridge International syllabus. Markquill is independent and is not affiliated with or endorsed by Cambridge International.