Question 323 of 402

A ketone reacted with C2H5MgBr reagent followed by hydrolysis gave a product which on dehydration gives an alken. The alkene on ozonolysis gave diethyl ketone and acetaldehyde. The ketone is:

(a) dimethyl ketone

(b) ethyl methyl ketone

(c) diethyl ketone

(d) ethyl propyl ketone