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Chemistry · Oct / Nov 2019 · Paper 11 · Question 8

5070Formulae, functional groups and terminology

Which row correctly identifies the different formulae of ethene and of its homologous series?

  1. ACH2 empirical formula, C2H4 molecular formula, CnH2n general formula
  2. BCH2 empirical formula, C2H4 general formula, CnH2n molecular formula
  3. CCH2 general formula, C2H4 molecular formula, CnH2n empirical formula
  4. DCH2 molecular formula, C2H4 empirical formula, CnH2n general formula

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Correct answer: A. CH2 empirical formula, C2H4 molecular formula, CnH2n general formula

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