Alcohols and phenols can be differentiated by which reaction?
Correct answer: B. Halogenation
- A. Lucas test
- B. Halogenation
- C. Nitration
- D. Iodoform
Explanation
Phenols react with bromine water to give a white ppt. of 2,4,6-tribromophenol. Alcohols do not have any action with bromine water. Option D cannot be correct because not all alcohols give Iodoform test. It is limited to secondary alcohols and ethanol only.
Last updated
About Phenols
Phenols contain a hydroxyl group directly bonded to an aromatic ring, making them more acidic than alcohols because the phenoxide ion is resonance-stabilised. Reactions include ionisation with bases, electrophilic substitution, bromination, nitration and oxidation, with attention to the difference between phenols and aliphatic alcohols.
Practise Alcohols and Phenols
535 free Alcohols and Phenols MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemistry questions like this
Chemistry is on 12 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
Related questions
4-methyl phenol is commonly known as:
A substance formed by reduction of phenol with Zn is?
A substance formed by the reduction of phenol with Zn is _.
Aqueous phenol decolorizes bromine water to form a white precipitate. What is the structure of the white precipitate formed?
Benzene can be formed from phenol in which of the following reactions?