AQA Specimen Paper 2 Q4

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12 0 4 Alcohol A (CH3)2CHCH(OH)CH3 undergoes reactions separately with acidified potassium dichromate(VI) and with concentrated sulfuric acid. . 1 Deduce the IUPAC name for alcohol A. [1 mark] . 2 0 4 Draw the structure of the organic product, B, formed when A is oxidised in the reaction with acidified potassium dichromate(VI). [1 mark] . 3 0 4 Two isomeric alkenes, C and D, are formed when A is dehydrated in the reaction with concentrated sulfuric acid. Name the mechanism for this dehydration reaction. 0 4 . 4 Draw the structure of each isomer. Isomer C Isomer D [1 mark] [2 marks] Barcode Typesetter code<br /> 13 0 4 . 5 Name the type of structural isomerism shown by C and D. [1 mark] . 6 0 4 List alcohol A, product B and isomer C in order of increasing boiling point. [1 mark] 0 4 . 7 Draw the structure of the isomer of A that is not oxidised by acidified potassium dichromate(VI). [1 mark] . 8 0 4 Draw the structure of the isomer of A that cannot be dehydrated to form an alkene by reaction with concentrated sulfuric acid. [1 mark] Turn over for the next question Barcode Typesetter code Turn over <br />

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