Picric acid can be prepared from phenol by:
Correct answer: B. Nitration
- A. Halogenation
- B. Nitration
- C. Oxidation
- D. Sulphonation
Explanation
Picric acid (2,4,6-trinitrophenol) can be prepared from phenol through a nitration reaction. The process involves the introduction of nitro groups (-NO2) into the phenol molecule.
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About Alcohols and Phenols
Alcohols are classified as primary, secondary or tertiary and studied through their hydrogen bonding, acidity, oxidation and reactions with active metals, acids and halogenating agents. Phenols require separate treatment because the hydroxyl group is attached to an aromatic ring, making their acidity and electrophilic substitution different from ordinary alcohols.
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