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Chemistry · Oct / Nov 2016 · Paper 12 · Question 38

5070Formulae, functional groups and terminology

Which statement about isomers of a compound is always correct?

  1. AThey have different empirical formulae.
  2. BThey have different relative molecular masses.
  3. CThey have only carbon and hydrogen in their molecules.
  4. DThey have the same molecular formula.

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Correct answer: D. They have the same molecular formula.

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