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2 marksReactions of Carbon Compounds

CSEC Chemistry · May/June 2017 · Paper 2 · Question 5(c)

In some countries, the Breathalyzer test is used to determine the level of alcohol on the breath of suspected drunk drivers. Identify the main reagent used in the Breathalyzer test and hence state the type of reaction that occurs during the test.

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  1. 5(a)Describe the process of fermentation. Include in your description: the starting material; the role of yeast; the reaction conditions; a balanced chemical…[7 marks]
  2. 5(b)After fermentation, the product is usually filtered and distilled. Suggest why distillation is necessary and draw a simple labelled diagram of the apparatus…[6 marks]

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