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प्रश्न
A reaction of phenol with chloroform in presence of sodium hydroxide to form salicylaldehyde is known as ____________.
विकल्प
Stephen reaction
Reimer-Tiemann reaction
Friedel craft's reaction
Kolbe's reaction
MCQ
रिक्त स्थान भरें
उत्तर
A reaction of phenol with chloroform in presence of sodium hydroxide to form salicylaldehyde is known as Reimer-Tiemann reaction.
Explanation:
On treating phenol with chloroform in the presence of sodium hydroxide, a −CHO group is introduced at the ortho position of benzene ring. This reaction is known as Reimer-Tiemann reaction.
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