Phenolphthalein is an acid-base indicator which turns from colorless to pink in the pH range from 8 to 10. Which of the following statements is true about phenolphthalein?
W) It is a good indicator for the endpoint of the titration of a weak base with a strong acid.
X) The deprotonated form of phenolphthalein is pink.
Y) The protonated form of phenolphthalein is pink.
Z) Phenolphthalein decomposes in basic conditions.
✔️Answer:X) The deprotonated form of phenolphthalein is pink.
🚀
Take Your Prep to the Next Level
Practice with interactive modes, adaptive testing, and detailed stats on our main app.