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JAMB Chemistry 2012 Question 20

Question 20

Acids, Bases and Salts

The number of hydroxonium ions produced by one molecule of an acid in aqueous solution is its

  1. A.basicity
  2. B.acid strength
  3. C.pH
  4. D.concentration.
Show the answer and explanation

Answer: A (basicity)

Explanation

Basicity is the number of replaceable hydrogen ions (H3O+) one molecule of an acid can produce, e.g. 2 for H2SO4.