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2 marksReactions of Carbon Compounds

CSEC Chemistry · January 2018 · Paper 2 · Question 5(c)

Commercial soaps are usually manufactured using natural esters. Name the process used to make soap and state ONE source of these natural esters.

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Other parts of this question

  1. 5(a)(i)State the homologous series to which ethyl pentanoate belongs.[1 mark]
  2. 5(a)(ii)Draw the FULLY DISPLAYED structure of ethyl pentanoate and circle the functional group.[3 marks]
  3. 5(a)(iii)Write the molecular formulae for the alcohol and carboxylic acid that will react to produce ethyl pentanoate.[2 marks]
  4. 5(a)(iv)Name the catalyst involved in the reaction between the alcohol and carboxylic acid stated in (c)(iii).[1 mark]
  5. 5(a)(v)Explain why an ester has low solubility in water whereas a simple alcohol is very soluble in water.[2 marks]
  6. 5(b)State the reaction condition and reagent used for the alkaline hydrolysis of ethyl ethanoate. Hence, write a balanced chemical equation for this reaction.[4 marks]

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