Chemistry 0620 · IGCSE · Formulae, functional groups and terminology

Formulae, functional groups and terminology — practice question

Which class of compounds shares the same general formula?

  • A$\text{CH}_4$, $\text{C}_2\text{H}_6$, $\text{C}_3\text{H}_6$
  • B$\text{CH}_4$, $\text{C}_3\text{H}_6$, $\text{C}_4\text{H}_8$
  • C$\text{C}_2\text{H}_4$, $\text{C}_3\text{H}_6$, $\text{C}_4\text{H}_8$
  • D$\text{C}_2\text{H}_4$, $\text{C}_3\text{H}_8$, $\text{C}_4\text{H}_8$

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