AQA Jun 2013 Paper 1 Q2

Answers available below

do not write outside the box a the hydrocarbon but ene c h is a member of the homologous series of alkenes but ene has structural isomers a i state the meaning of the term structural isomers marks a ii give the iupac name of the position isomer of but ene mark a iii give the iupac name of the chain isomer of but ene mark a iv draw the displayed formula of a functional group isomer of but ene mark wmp jun chem do not write outside the box b but ene burns in a limited supply of air to produce a solid and water only b i write an equation for this reaction mark b ii state one hazard associated with the solid product in part b i mark c one mole of compound y is cracked to produce two moles of ethene one mole of but ene and one mole of octane c h only c i deduce the molecular formula of y mark c ii other than cracking give one common use of y mark d in cars fitted with catalytic converters unburned octane reacts with nitrogen monoxide to form carbon dioxide water and nitrogen only d i write an equation for this reaction mark d ii identify a catalyst used in a catalytic converter mark turn over wmp jun chem do not write outside the box in a new material called graphane was discovered the diagram shows part of a model of the structure of graphane each carbon atom is bonded to three other carbon atoms and to one hydrogen atom a deduce the type of crystal structure shown by graphane mark b state how two carbon atoms form a carbon carbon bond in graphane mark c suggest why graphane does not conduct electricity mark d deduce the empirical formula of graphane mark wmp jun chem

Show answer