AQA_A Level Chemistry Paper 2_Question Paper_2022 | Practice Paper 2

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AQA A Level Chemistry Paper 2 Question Paper_2022 Practice Paper 2 - - - 1 The following table gives the names and structures of some structural isomers with the molecular formula C5H10. Name... of isomer Structure Isomer 1 pent-2-ene CH3CH = CHCH2CH3 Isomer 2 cyclopentane Isomer 3 3-methylbut-1-ene (CH3)2CHCH = CH2 Isomer 4 2-methylbut-2-ene (CH3)2C = CHCH3 Isomer 5 2-methylbut-1-ene H2C = C(CH3)CH2CH3 (a) Isomer 1 exists as E and Z stereoisomers. (i) State the meaning of the term stereoisomers. __________________________________________________________ __________________________________________________________ __________________________________________________________ __________________________________________________________ (2) A-LEVEL CHEMISTRY Name: Practice Paper 2 Maximum marks: 101 Time allowed: 2 hours These questions are from past papers covering topics and skills based on the advance information to help you prepare for the exams this summer. Answer all questions in the spaces provided. You will need the Periodic Table/Data Booklet This document is licensed to Haggerston School - MB260045Page 2 (ii) Draw the structure of the E stereoisomer of Isomer 1. (1) (b) A chemical test can be used to distinguish between separate samples of Isomer 1 and Isomer 2. Identify a suitable reagent for the test. State what you would observe with Isomer 1 and with Isomer 2. Reagent ______________________________________________________ Observation with Isomer 1 ________________________________________ _____________________________________________________________ Observation with Isomer 2 _______________________________________ _____________________________________________________________ _____________________________________________________________ (3) (c) Use Table A on the Data Sheet when answering this question. Isomer 3 and Isomer 4 have similar structures. (i) State the infrared absorption range that shows that Isomer 3 and Isomer 4 contain the same functional group. __________________________________________________________ __________________________________________________________ (1) (ii) State one way that the infrared spectrum of Isomer 3 is different from the infrared spectrum of Isomer 4. - - - - [Show More]

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