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2 marksAcid/Base Equilibria

CAPE Chemistry Unit 1 · 2006 · Paper 1 · Question 4(c)(ii)

Figure 3 shows a two-step conversion from A to C. A is converted to B on treatment with SOCl₂.

State the reagents and conditions required for the conversion of B to C.

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Other parts of this question

  1. 4(a)(i)Which of the functional groups present in aspartame would react with ethanol?[1 mark]
  2. 4(a)(ii)Which of the functional groups present in aspartame would react with dilute hydrochloric acid?[2 marks]
  3. 4(a)(iii)Which of the functional groups present in aspartame would react with ethanoyl chloride?[1 mark]
  4. 4(b)Name the OTHER chemical that is required for the reaction with ethanol to occur.[1 mark]
  5. 4(c)(i)Draw the structural formula of B.[1 mark]
  6. 4(c)(iii)State ONE physical property that is characteristic of BOTH Compound C and that obtained in the reaction described in (b) above. Explain your answer.[2 marks]

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