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3 marksReactions of Carbon Compounds

CSEC Chemistry · January 2009 · Paper 2 · Question 5(b)(ii)

Vegetable oils are unsaturated liquids that can be solidified by hydrogenation (e.g., in margarine production).

Write an equation to illustrate the process of hydrogenation of an oil represented by Compound D. You should name the catalyst used in the process.

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Other parts of this question

  1. 5(a)(i)Write a chemical equation to illustrate the reaction taking place in the commercial preparation of ethanol from EACH of the following: a) Ethene b) Glucose. In…[6 marks]
  2. 5(a)(ii)Draw a fully labelled diagram of the apparatus that is used to separate the ethanol from the reaction mixture during the fermentation of glucose.[3 marks]
  3. 5(b)(i)Using Compound C to represent the structure of a fat, draw the structure of the product(s) expected from the saponification of this fat.[3 marks]

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