passwella.
Menu

JAMB Chemistry 1983 Question 26

Question 26

Acids, Bases and Salts

Solutions X, Y, and Z have pH values 3.0, 5.0 and 9.0 respectively. Which of the following statements is correct?

  1. A.All the solutions are acidic.
  2. B.All the solutions are basic
  3. C.Y and Z are more acidic than water
  4. D.Y is more acidic than X.
  5. E.Z is the least acidic
Show the answer and explanation

Answer: E (Z is the least acidic)

Explanation

The higher the pH, the less acidic the solution. Z (pH 9) is actually alkaline, so it is the least acidic of the three.