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Alcohols, Phenols And Ethers

Question
CBSEENCH12008112

Give the structure and IUPAC name of the product from the reaction of phenol with CHCl3 in NaOH followed by acidification.

Solution

When phenol react with trichloromethane in presence of sodium hydroxide, it forms 2- hydroxy benaldehyde.
C6H5OH +CHCl3 +NaOH ---> 
IUPAC name is 2-hydroxybenzaldehyde.