Q. In the reaction of phenol with chloroform and aqueous solution of $NaOH$ at $70^{\circ} C$, the electrophile attacking the ring is
J & K CETJ & K CET 2003
Solution:
When phenol reacts with chloroform and aqueous $NaOH$ solution, it give salicylaldehyde.
$CHCl _{3}+ OH ^{-} H _{2} O + CCl _{3}^{-} CCl _{3}^{-} \rightarrow \underset{\text { dichlorocarbene }}{ CCl _{2}}+ Cl ^{-}$