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3 marksStructure and Formulae

CAPE Chemistry Unit 2 · 2017 · Paper 2 · Question 1(a)

State THREE characteristic properties of a homologous series of compounds.

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  1. 1(b)(i)Calculate the empirical formula of Compound A.[2 marks]
  2. 1(b)(ii)Calculate the molecular formula of Compound A.[1 mark]
  3. 1(c)(i)Write the general formula of the homologous series of which Compound A is a member.[1 mark]
  4. 1(c)(ii)Draw the structural formula of the chlorosubstituted compound of A.[1 mark]
  5. 1(d)Comment on the relative pKa values of Compound A and its chlorosubstituted compound in (c)(ii).[2 marks]
  6. 1(e)(i)Describe a simple laboratory test to distinguish between CH3CH2CH2OH and CH3CH(OH)CH3.[3 marks]
  7. 1(e)(ii)Describe a simple laboratory test to distinguish between benzene and cyclohexene.[2 marks]

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