AQA Jan 2010 Paper 4 Q5

Answers available below

areas outside the box will not be scanned for marking the triester t shown below is found in palm oil when t is heated with an excess of sodium hydroxide solution the alcohol glycerol is formed together with a mixture of three other products as shown in the following equation ch ooc ch ch chooc ch ch ch ch ch ch ooc ch ch ch ch coona ch oh naoh choh ch ch ch ch ch coona ch ch coona ch oh glycerol a i give the iupac name for glycerol mark a ii give a use for the mixture of sodium salts formed in this reaction mark b when t is heated with an excess of methanol glycerol is formed together with a mixture of methyl esters b i give a use for this mixture of methyl esters mark b ii one of the methyl esters in the mixture has the iupac name methyl z octadec enoate draw two hydrogen atoms on the diagram below to illustrate the meaning of the letter z in the name of this ester mark wmp jan chem b iii one of the other methyl esters in the mixture has the formula ch ch cooch write an equation for the complete combustion of one molecule of this ester mark areas outside the box will not be scanned for marking turn over for the next question turn over wmp jan chem

Show answer