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4 marksAcid/Base Equilibria

CAPE Chemistry Unit 1 · 2005 · Paper 2 · Question 2(a)

An unknown organic liquid Z is analyzed using chemical tests shown in Table 1.

Complete the observations and inferences in Table 1 for tests (i) through (iv).

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Other parts of this question

  1. 2(b)Suggest a displayed formula for Z, given its relative molecular mass is 46.[1 mark]
  2. 2(c)Write the formula of the organic ester product formed in test (a)(ii).[1 mark]
  3. 2(d)Suggest a reagent to identify the gas liberated in test (a)(iv) with phosphorus pentachloride and state the expected observation.[2 marks]
  4. 2(e)Suggest the reagent and conditions required to regenerate Z from the ester produced in test (a)(ii).[2 marks]

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