AQA Jan 2011 Paper 1 Q6

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do not write outside the box octane is the eighth member of the alkane homologous series a state two characteristics of a homologous series marks extra space b name a process used to separate octane from a mixture containing several different alkanes mark wmp jan chem c the structure shown below is one of several structural isomers of octane do not write outside the box h c ch ch ch give the meaning of the term structural isomerism name this isomer and state its empirical formula marks extra space d suggest why the branched chain isomer shown above has a lower boiling point than octane marks end of questions wmp jan chem

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