Name the reagent used to convert phenol into picric acid. In ansar
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The name "picric" comes from the Greek (pikros), meaning "bitter", reflecting its bitter taste. I
Picric acid is an acidic phenols and used as an explosive primarily. It is also used in medicine (antiseptic, burn treatments) and dyes.
Picric acid is obtained by Nitration of phenol by concentrated HNO3 in presence of Concentrated H2SO4.
Phenol+3HNO3 ———->picric acid + 3H2O
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Concentration Nitric acid and conc Sulphuric acid are used to convert phenol into picric acid.
Explanation:
- Phenol contains benzene ring with a hydroxyl group at one end attached to the benzene ring.
- Phenol is converted to picric acid by using concentrated nitric acid which donates the nitrate group to the benzene ring and concentrated sulphuric acid which acts as a dehydrating substance.
- This reaction liberates water due to the action of sulphuric acid. Picric acid is used as an antiseptic in the field of medicine and the making of explosives.
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