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JAMB Chemistry 1987 Question 19

Question 19

Acids, Bases and Salts

The basicity of tetraoxophosphate (V) acid is

  1. A.7
  2. B.5
  3. C.4
  4. D.3
Show the answer and explanation

Answer: D (3)

Explanation

H3PO4 has three replaceable hydrogen atoms, so its basicity is 3.