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2 marksAcids, Bases and Salts

CSEC Chemistry · January 2010 · Paper 2 · Question 3(c)(i)

Ethanoic acid, CH₃COOH, is a weak, monobasic, organic acid.

Write a balanced equation for the reaction of ethanoic acid with magnesium metal, Mg (s).

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Other parts of this question

  1. 3(a)Define the term 'polymer'.[2 marks]
  2. 3(b)(i)Which of the Equations in (b) above shows addition polymerisation?[1 mark]
  3. 3(b)(ii)Give the name of EACH of the polymers shown in Equation 1 and Equation 2.[2 marks]
  4. 3(b)(iii)State ONE use of EACH of the polymers named in (ii) above.[2 marks]
  5. 3(c)(ii)Would this reaction take place at room temperature?[1 mark]
  6. 3(d)(i)On the diagram, circle the peptide bond (link) that is found in proteins.[1 mark]
  7. 3(d)(ii)Based on the partial protein structure given above, draw the fully displayed structure of an amino acid that would be produced upon hydrolysis.[2 marks]
  8. 3(d)(iii)State TWO conditions under which proteins can be hydrolysed.[2 marks]

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