Chemistry 0620 · IGCSE · Formulae, functional groups and terminology

Formulae, functional groups and terminology — practice question

Which row gives the general formula for alkenes and for alcohols?

  • Aalkenes: $\text{C}_n\text{H}_{2n}$, alcohols: $\text{C}_n\text{H}_{2n+1}\text{COOH}$
  • Balkenes: $\text{C}_n\text{H}_{2n}$, alcohols: $\text{C}_n\text{H}_{2n+1}\text{OH}$
  • Calkenes: $\text{C}_n\text{H}_{2n+2}$, alcohols: $\text{C}_n\text{H}_{2n+1}\text{COOH}$
  • Dalkenes: $\text{C}_n\text{H}_{2n+2}$, alcohols: $\text{C}_n\text{H}_{2n+1}\text{OH}$

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