*28ACH1201* - CCEA

TIME2 hours.INSTRUCTIONS TO CANDIDATESWrite your Centre Number and Candidate Number in the spaces provided at the top of thispage.Answer all twenty-one questions.Answer all ten questions in Section A. Record your answers by marking the appropriateletter on the answer sheet provided. Use only the spaces numbered 1 to 10. Keep insequence when answering.Answer all eleven questions in Section B.You must answer the questions in the spaces provided.Do not write outside the boxed area on each page or on blank pages.Complete in black ink only. Do not write with a gel pen.INFORMATION FOR CANDIDATESThe total mark for this paper is 110.Quality of written communication will be assessed in Questions 12(a)(ii) and 20(a)(ii).In Section A all questions carry equal marks, i.e. one mark for each question.In Section B the figures in brackets printed down the right-hand side of pages indicate themarks awarded to each question or part question.A Periodic Table of Elements, containing some data, is included with this question paper.*28ACH1201**28ACH1201*

1 tonne 106 g1 metre 109 nmOne mole of any gas at 293 K and a pressure of 1 atmosphere (105 Pa) occupies a volume of 24 dm3Avogadro Constant 6.02 1023 mol–1Planck Constant 6.63 10 –34 JsSpecific Heat Capacity of water 4.2 J g–1 K–1Speed of Light 3 10 8 ms –1Characteristic absorptions in IR 1800C–X (X Cl, Br, I)C–CC–OC̿CC 03200–36003300–3500C NO–HC–HC–HO–HN–HHaloalkanesAlkanes, alkyl groupsAlcohols, esters, carboxylic acidsArenesAlkenesCarboxylic acids, esters, aldehydes,ketones, amides, acyl chloridesNitrilesCarboxylic acidsAldehydesAlkanes, alkyl groups, alkenes, arenesAlcoholsAmines, amidesProton Chemical Shifts in Nuclear Magnetic Resonance Spectroscopy(relative to �12.0–C ̿ CHRCONH–C6H5–CHO–COOHthe ranges indicated above. CCEA 2017Saturated alkanesAlcoholsAminesKetonesAminesc on ring)X Cl or Br (3.0–4.0)X I (2.0–3.0)AlkenesAmidesArenes (on ring)AldehydesCarboxylic acidsSp Nec eifi wcationGeneral InformationData LeafletIncluding the Periodic Table of the ElementsFor the use of candidates takingAdvanced Subsidiary andAdvanced Level ExaminationsCopies must be free from notes or additions of anykind. No other type of data booklet or informationsheet is authorised for use in the examinationsgce a/as examinationschemistryon and temperature dependent and may be outsideFor first teaching from September 2016For first award of AS Level in Summer 2017For first award of A Level in Summer 2018Subject Code: 1110

1III12THE PERIODIC TABLE OF ELEMENTSGroup35468791011III IVVVI VII 215715916216516716917317558a relative atomic mass 89104* 58 – 71 Lanthanum series† 90 – 103 Actinium seriesaxbCopernicium(approx)x atomic symbolb atomic number90112

(a)The first step in this reaction is the acylation of benzene with 2-methylpropanoyl chloride. The structure of 2-methylpropanoyl chloride is shown below. H O H 3C— —C —C CI CH 3 2-methylpropanoyl chloride Show the mechanism for the catalysed reaction between 2-methylpropanoyl chloride