i. Benzene reacts with C2H5COCl, to yield propiophenone (Friedel Craft’s acylation).

ii. Dibenzyl cadmium reacts with acetyl chloride to give Benzyl methyl ketone.

iii. Propyne, in presence of hot dil. H2SO4 and HgSO4, forms acetone.

iv. Oxidation of methyl group by chromyl chloride gives a chromium complex. Acid hydrolysis of the chromium complex gives corresponding aldehyde.
