A. Bromine water
B. Ferric chloride
C. Sodium hydroxide
D. Lithium aluminum hydride
Answer: Ferric chloride
A. Bromine water
B. Ferric chloride
C. Sodium hydroxide
D. Lithium aluminum hydride
Answer: Ferric chloride
Additional Information: Ferric chloride reacts with hydroxyl groups to form colored complexes, indicating their presence.
Subjects: Alcohols, Phenols, and Ethers, Chemistry