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Assessed practical 6 (AS) Aim: To determine whether ethanol has been oxidised to ethanal or oxidised to ethanoic acid. Method and observations 1) 2 cm3 of sulphuric acid was added to a pear shaped flask containing 6 cm3 of water. Whilst the volume for the water was measured using a measuring cylinder (of 10 cm3 capacity), the volume of the sulphuric acid was measured using a graduated dropping pipette. Both readings were sighted and taken from the bottom of the meniscus. Observation: As the sulphuric acid was added to the water, there was significant emission of heat implying that an exothermic reaction took place. 2) The apparatus were then set up as shown below: All joints were greased with petroleum jelly in order to ensure that there would be no loss of the vapour produced from the system. Anti-bumping granules were added to the pear shaped flask in order to prevent the sudden formation of...

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