A Level Chemistry A H432/02 Synthesis and analytical techniques Sample Question Paper 2023/2024

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A Level Chemistry A H432/02 Synthesis and analytical techniques Sample Question Paper 2023/2024 Date – Morning/Afternoon Time allowed: 2 hours 15 minutes * 0 0 0 0 0 0 * INSTRUCTIONS • Use ... black ink. You may use an HB pencil for graphs and diagrams. • Complete the boxes above with your name, centre number and candidate number. • Answer all the questions. • Write your answer to each question in the space provided. • Additional paper may be used if required but you must clearly show your candidate number, centre number and question number(s). • Do not write in the bar codes. INFORMATION • The total mark for this paper is 100. • The marks for each question are shown in brackets [ ]. • Quality of extended responses will be assessed in questions marked with an asterisk (*). • This document consists of 36 pages. © OCR 2014 H432/02 [601/5255/2] DC ( ) Turn over PMT 2 © OCR 2014 H432/02 SECTION A You should spend a maximum of 20 minutes on this section. Answer all the questions. 1 The displayed formula of an organic compound is shown below. What is the systematic name of this organic compound? A Propyl propanoate B Propyl butanoate C Butyl propanoate D Butyl butanoate Your answer [1] © OCR 2014 H432/02 Turn over PMT 3 2 Ethanol is oxidised to ethanoic acid using acidified potassium dichromate(IV) solution. The reaction is heated under reflux using the equipment shown in the diagram below. What is the reason for heating under reflux? A to ensure even heating B to prevent any substances escaping C to boil the mixture at a higher temperature D to allow efficient mixing [Show More]

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