AQA Jun 2012 Paper 2 Q3

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do not write outside the box the manufacture of food grade phosphoric acid for use in cola drinks begins with the production of pure white phosphorus from the mineral fluoroapatite ca f po a complete the following equation for the manufacture of phosphorus ca f po sio c casio caf co p mark b as the phosphorus cools it forms white phosphorus p give the oxidation state of phosphorus in each of the following p h po marks c fertiliser grade phosphoric acid is manufactured from sulfuric acid and calcium phosphate use the following precise relative atomic mass data to show how mass spectrometry can be used to distinguish between pure sulfuric acid h so and pure phosphoric acid h po which both have mr to two significant figures atom precise relative atomic mass h o p s mark wmp jun chem do not write outside the box d concentrated phosphoric acid is used as a catalyst in the hydration of propene to form the alcohol ch ch oh ch as the main organic product the industrial name for this alcohol is isopropyl alcohol d i state the meaning of the term catalyst mark extra space d ii state the meaning of the term hydration mark extra space d iii write an equation for the hydration of propene to form isopropyl alcohol give the iupac name for isopropyl alcohol equation iupac name marks turn over wmp jun chem

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