question_answer

When phenol is treated with \[\text{CHC}{{\text{l}}_{\text{3}}}\]and  \[\text{NaOH,}\] the product formed is

A) benzaldehyde  

B) salicylaldehyde

C)         salicylic acid      

D)         benzoic acid

Correct Answer: B

Solution :

When phenol is treated with \[\text{CHC}{{\text{1}}_{\text{3}}}\]and \[\text{NaOH}\] salicylaldehyde is formed. This reaction is known as Reimer- Tiemann reaction.