question_answer

\[{{C}_{6}}{{H}_{5}}C{{H}_{3}}\xrightarrow{Cr{{O}_{2}}\,C{{l}_{2}}}Z\]In the given sequence Z is:

A)  benzaldehyde

B)  toluic acid

C)  phenyl acetic acid

D)  benzoic acid

Correct Answer: A

Solution :

                Toluene is oxidised to benzaldehyde in presence of chromyl chloride. This reaction is called Etards reaction.