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This document describes two experiments to estimate the number of phenol (hydroxyl) groups in a sample through acetylation and bromination methods. The acetylation method involves reacting phenol with acetic anhydride to form an acetyl derivative, then titrating the excess acetic acid. The bromination method involves brominating phenol with a bromine solution, then titrating the excess bromine using thiosulfate. Both methods allow calculating the number of hydroxyl groups based on the titration results and

Author

Roman

Language

EN