Acid-Base Titrations

These are fill in the blank and I really am not sure what the answers are

1. Indicators change color over a range that is called its ---?

2. The common indicator ---? is very useful in studying neutralizations that involve strong acids and weak bases.

3. Indicators tend mostly to be in the form that has the general formula ---? in highly basic solutions.

4. Indicators tend mostly to be in the form that has the general formula ---? in highly acidic solutions.

1 answer

There is a lot of material to be discussed here. See this site to swim through all of this.
https://www.chemguide.co.uk/physical/acidbaseeqia/indicators.html