AQA Jun 2013 Paper 2 Q5

Answers available below

do not write outside the box haloalkanes are used in the synthesis of other organic compounds a hot concentrated ethanolic potassium hydroxide reacts with bromo methylbutane to form two alkenes that are structural isomers of each other the major product is methylbut ene a i name and outline a mechanism for the conversion of bromo methylbutane into methylbut ene according to the equation ch chchbrch koh ch c chch kbr h o name of mechanism mechanism a ii draw the displayed formula for the other isomer that is formed marks mark a iii state the type of structural isomerism shown by these two alkenes mark wmp jun chem do not write outside the box b a small amount of another organic compound x can be detected in the reaction mixture formed when hot concentrated ethanolic potassium hydroxide reacts with bromo methylbutane compound x has the molecular formula c h o and is a secondary alcohol b i draw the displayed formula for x mark b ii suggest one change to the reaction conditions that would increase the yield of x mark b iii state the type of mechanism for the conversion of bromo methylbutane into x mark b iv identify one feature of this infrared spectrum of a pure sample of x that may be used to confirm that x is an alcohol you may find it helpful to refer to table on the data sheet transmittance wavenumber cm feature mark turn over wmp jun chem

Show answer