question_answer

Consider the following reaction \[\text{Phenol}\xrightarrow{\text{Zn}\,\text{dust}}X\xrightarrow[\text{anhy}\,\text{AlC}{{\text{l}}_{\text{3}}}]{\text{C}{{\text{H}}_{\text{3}}}\text{cl}}Y\] \[\xrightarrow{\text{alk}\,\text{KMn}{{\text{O}}_{\text{4}}}}\text{Z}\] The product Z is

A)  toluene          

B)  benzaldehyde

C)  benzoic acid      

D)  benzene

Correct Answer: B

Solution :