Reaction of phenol with chloroform in the pre | vedclass

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(C) The reaction of phenol with chloroform $(CHCl_3)$ in the presence of aqueous sodium hydroxide $(NaOH)$ is known as the Reimer-Tiemann reaction.Thi

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$-CHO$

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(C) The reaction of phenol with chloroform $(CHCl_3)$ in the presence of aqueous sodium hydroxide $(NaOH)$ is known as the Reimer-Tiemann reaction.This reaction introduces an aldehyde group $(-CHO)$ at the $ortho$ position of the phenol ring.The overall transformation is: $C_6H_5OH + CHCl_3 + 3NaOH \rightarrow C_6H_4(OH)(CHO) + 3NaCl + 2H_2O$.

Reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally introduces which one of the following functional groups?

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