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1 markStructure and Formulae

CAPE Chemistry Unit 2 · 2016 · Paper 2 · Question 1(a)

Questions on structural isomerism, combustion analysis of hydrocarbons, and reactions of alcohols.

Define the term 'structural isomerism'.

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  1. 1(b)(i)Calculate the formula of the hydrocarbon, X.[4 marks]
  2. 1(b)(ii)Hence, write its displayed formula.[1 mark]
  3. 1(c)(i)Write the name and displayed formula for EACH of the other two alcohols.[2 marks]
  4. 1(c)(ii)When butan-2-ol is heated with phosphoric acid, a mixture of alkenes is produced, one of which exhibits isomerism. Write the names and displayed formulae of…[2 marks]
  5. 1(d)Complete Table 1 by describing simple laboratory tests to distinguish between EACH pair of compounds: CH3CH(OH)CH3 vs CH3CH2CH2OH, and CH3CH(OH)CH3 vs…[5 marks]

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