CAIE A Level Chemistry 9701 · An introduction to organic chemistry
Compare the organic compounds ethene () and ethane () in terms of the hybridisation of their carbon atoms, the bond angles present, the arrangement of atoms around each carbon atom, the type of carbon–carbon bond, and whether each compound is an alkane or an alkene.
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.