Which of the following reactions cannot be used prepare acetophenone ?

Options

A. Benzoyl chloride + `(CH_(3))_(2)Cd`
B. Oxidation of ethyl benzene with `CrO_(3)` and `CH_(3)COOH`
C. Oxidation of ethyl benzene with `KMnO_(4)//H^(+)`
D. Friedel Carft acylation of benzene with `CH_(3)COCl or (CH_(3)CO)_(2)O`.

Answer

C

Explanation

Oxidation of ethyl benzene with `KMnO_(4)//H^(+)` gives benzoic acid.