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3 marksReactions of Carbon Compounds

CSEC Chemistry · May/June 2015 · Paper 2 · Question 5(b)(i)

Many Caribbean islands are known for rum production, with alcohol content typically 40-55%. During fermentation, yeast converts sucrose in molasses into simpler sugars, then to ethanol.

Outline, using balanced equations, the formation of ethanol from sucrose.

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  1. 5(a)(i)Identify Process P and Process Q.[2 marks]
  2. 5(a)(ii)State the importance of the centrifugation process.[1 mark]
  3. 5(a)(iii)Identify Product X.[1 mark]
  4. 5(a)(iv)The bagasse produced is used in the factory during the processing of sugar cane. In which part of the factory is this bagasse used and what is it used for?[2 marks]
  5. 5(b)(ii)Jemina was presented with a flask that contains a mixture of diluted rum. Draw a labelled diagram of the apparatus she should use in the laboratory to obtain a…[3 marks]
  6. 5(c)Suggest the type of reaction that takes place when the magnesium oxide is mixed with the sour wine. Write a balanced chemical equation for this reaction.[3 marks]

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