Cambridge Assessment罗International EducationSyllabus update:Cambridge International AS A Level Chemistry(9701)for examination in 2022,2023 and 2024We have updated this syllabus.The latest syllabus is version 3,published June 2021.Changes to syllabusOn page 63 of the syllabus the description of the thiosulfatecontentreaction on the quantitative analysis notes for Paper 3 has beenupdated.Changes to version 2,published October 2020What has changed?DetailChanges to syllabusOn Page 13 of the syllabus the first sentence now reads'Candidates forcontentOn Page 20 of the syllabus 5.1.2 the formula now reads AH=-mcATIn.On Page 25 of the syllabus 11.4 a superscript negative sign has beenOn page 26 of the syllabus the functional group for alkene now reads'C=Cbond'and the functional group for alcohol now reads 'hydroxyl'.On Page 26 of the syllabus the structural formula for aldehyde has beenreplaced.On pages 26,27 and 42 of the syllabus the heading 'Class of compound'has been changed to'Homologous series'.On Page 31 of the syllabus NaBH4 and H2(g)/Ni and heat have beenremoved from 16.1.1(e).Minor editorial corrections have been made on Pages 15,20,29,34,35,44,45,51,73and82.We have not updated the specimen materials for this syllabus.Please check the updated syllabus for further information.The syllabus has been updated.You are strongly advised to read the whole syllabus before planning yourteaching programme.Cambridge Assessment is committed to making our documents accessible in accordance with the WCAG 2.1 Standard.We'realways looking to improve the accessibility of our documents.If you find any problems or you think we're not meeting accessibilityrequirements,contact us at info @cambridgeinternational.org with the subject heading:Digital accessibility.If you need thisdocument in a different format,contact us and supply your name,email address and requirements and we will respond within15 working days.Learn more!For more details,visit www.cambridgeinternational.orgCopyright UCLES June 2021or contact Customer Services on +44(0)1223 553554