Chemistry 5070 · O Level · Formulae, functional groups and terminology

Formulae, functional groups and terminology — practice question

The diagrams illustrate four possible structures of $\text{C}_4\text{H}_8$. Which of these structures show the same molecule?

  • A1 and 2
  • B1 and 3
  • C2 and 3
  • D2 and 4

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