Which of the following is TRUE?
A) The equivalence point is where the amount of acid equals the amount of base during any acid-base titration.
B) At the equivalence point, the pH is always 7.
C) An indicator is not pH sensitive.
D) A titration curve is a plot of pH vs. the [base]/[acid] ratio.
E) None of the above is true.

Question

Quizplus · Accepted Answer

The equivalence point of an acid-base titration is defined as the point where the moles of acid and moles of base are equal. This means that the amount of acid equals the amount of base at this point.

Option B is not true because the pH at the equivalence point depends on the particular acid-base system being titrated. It can be higher, lower or equal to 7.

Option C is not true because an indicator is a substance that undergoes a color change as the pH of the solution changes. So, it is pH sensitive.

Option D is not true because a titration curve is a plot of pH vs. the volume of titrant added.

Which of the Following Is TRUE