Phenol can be distinguished from alcohol by adding:
Correct answer: A. Br2/H2O
- A. Br2/H2O
- B. FeSO4
- C. Cl2/H2O
- D. FeCl3
Explanation
Explanation:An aqueous solution of phenol reacts with bromine water to give white ppt of 2,4,6-tribromophenol . This is a test for presence of phenol. As a result, it can be used to differentiate between phenol and alcohol. FeSO4 does not react with either phenol or alcohols in a way that can be used to distinguish them from each other.Both phenol and alcohols can react with chlorine water to give a color change, but this test is not specific to phenol and cannot be used to distinguish it from alcohols. Phenols and alcohols react with FeCl3 to form a colored complex, known as ferric phenoxide. This test is used to detect the presence of Phenols, but it cannot be used to distinguish between phenols and alcohols.
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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.
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