question_answer 7)

Show how each of the following compounds can be converted to benzoic acid? (i) Ethyl benzene             (ii) Acetophenone (iii) Bromobenzene                         (iv) Phenylethene (styrene) (i) Oxidation by  and alkaline hydrolysis. ( in alkalinemedium converts complete carbon chain attached directly tobenzene nucleus into ?COOHgroup). (ii) lodoform reaction. ( group is converted into-COOK) (iii) Formation of Grignard reagent as intermediale. (iv) Oxidation, by  and alkaline hydrolysis,  

Answer:

(i) (ii) (iii) (iv)