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

Formulae, functional groups and terminology — practice question

State the empirical formula of ethanoic acid.

  • A$\text{CH}_2\text{O}$
  • B$\text{CH}_4\text{O}$
  • C$\text{C}_2\text{H}_3\text{O}$
  • D$\text{C}_2\text{H}_4\text{O}_2$

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