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What is the typical pH range for phenolphthalein as an indicator?

Practice Questions

Q1
What is the typical pH range for phenolphthalein as an indicator?
  1. 0-4
  2. 4-10
  3. 8-10
  4. 10-14

Questions & Step-by-Step Solutions

What is the typical pH range for phenolphthalein as an indicator?
  • Step 1: Understand what phenolphthalein is. It is a chemical compound used as an indicator in acid-base reactions.
  • Step 2: Know that indicators change color depending on the pH level of a solution.
  • Step 3: Learn that phenolphthalein specifically changes color in a certain pH range.
  • Step 4: Identify that the typical pH range for phenolphthalein is from about 4 to 10.
  • Step 5: Recognize that this pH range means phenolphthalein can be used in many acid-base titrations.
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