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JAMB Chemistry 2002 Question 2

Question 2

Chemical Formulae and Equations

The formula CH2O for ethanoic acid is regarded as its

  1. A.molecular formula
  2. B.general formula
  3. C.empirical formula
  4. D.structural formula
Show the answer and explanation

Answer: C (empirical formula)

Explanation

Ethanoic acid is C2H4O2; CH2O is its simplest whole-number ratio of atoms, which is the empirical formula.