Chemistry 5070 · O Level · Alkanes

Alkanes — practice question

Octane is an alkane that has eight carbon atoms in each molecule. What is the molecular formula for octane, and how does its boiling point compare with that of butane?

  • A$\text{C}_8\text{H}_{16}$, higher than butane
  • B$\text{C}_8\text{H}_{16}$, lower than butane
  • C$\text{C}_8\text{H}_{18}$, lower than butane
  • D$\text{C}_8\text{H}_{18}$, higher than butane

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