Chemistry 0620 · IGCSE · Alkanes

Alkanes — practice question

Alkanes belong to a homologous series of hydrocarbons. The table lists the names and boiling points of the first four members in this series. Pentane is the next member in the series. Which row shows the molecular formula and boiling point of pentane?

  • A$\text{C}_5\text{H}_{10}$ , $36~^\circ\text{C}$
  • B$\text{C}_5\text{H}_{12}$ , $-51~^\circ\text{C}$
  • C$\text{C}_5\text{H}_{10}$ , $-51~^\circ\text{C}$
  • D$\text{C}_5\text{H}_{12}$ , $36~^\circ\text{C}$

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