CAIE A Level Chemistry 9701 · Nitrogen compounds
A student plans to prepare propylamine, , by two different routes.
Route 1: heating 1-iodopropane with ammonia in ethanol under pressure. Route 2: heating 1-iodopropane with aqueous ammonia in an open flask.
Compare these two methods. In your answer, refer to the reaction conditions, the type of reaction, and the purity of the product obtained.
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.