Multiple choice

The pH value of a weak acid is

  1. 9

  2. 1

  3. 7

  4. 5

  5. 14

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The pH of the solution is a measure of the replaceable hydrogen ions present in it.  The larger the value of pH, the lesser is the amount of hydrogen ions and less acidic is the solution. Hence, solution with pH 5 denotes a weak acid.