Q. In the reaction Phenol + $CHCl_3$ + NaOH $\rightarrow$ Sodium salicylaldehyde ($o$-$O^-Na^+$ benzaldehyde) the electrophile involved is
A) dichloromethyl anion ($\bar{C}HCl_2$)
B) formyl cation ($\overset{+}{C}HO$)
C) dichloromethyl cation ($\overset{+}{C}HCl_2$)
D) dichlorocarbene (:$CCl_2$)
Explanation
[Solution] In the Reimer-Tiemann reaction, $CHCl_3$ + base forms dichlorocarbene, the electrophile. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.