CAIE A Level Chemistry 9701 · Hydroxy compounds
Compare the oxidation of a primary alcohol, such as ethanol, and a secondary alcohol, such as propan-2-ol, with acidified potassium dichromate(VI). In your answer, refer to the products formed and the conditions required to obtain each product.
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.