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2 marksAcid/Base Equilibria

CAPE Chemistry Unit 1 · 2005 · Paper 1 · Question 4(a)

Structural formulae for lactic acid and alanine are shown.

Identify ANY TWO functional groups that are present in lactic acid or alanine.

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Other parts of this question

  1. 4(b)(i)Distinguish between electrophiles and nucleophiles.[2 marks]
  2. 4(b)(ii)Distinguish between homolytic and heterolytic bond fission.[2 marks]
  3. 4(c)(i)Write the chemical equation for this reaction.[2 marks]
  4. 4(c)(ii)a)Outline the bond-breaking step involved in the reaction of 2-chloro-2-methylpropane with sodium hydroxide.[1 mark]
  5. 4(c)(ii)b)Outline the bond-forming step involved in the reaction of 2-chloro-2-methylpropane with sodium hydroxide.[1 mark]

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