Acetyl chloride reacts with benzene in presence of anhydrous aluminium chloride to form acetophenone.
(ii) By distillation of a mixture of calcium benzoate and calcium acetate.
(iii) By methylation of benzaldehyde with diazomethane.
C6H5CHO + CH2N2 ————> C6H5COCH3 + N2
(iv) By treating benzoyl chloride with dimethyl cadmium.
2C6H5COCl + (CH3)2Cd ————> 2C6H5COCH3 + CdCl2