A compound A with molecular formula C10H13Cl gives a white precipitate on adding silver nitrate solution. A on reacting with alcoholic KOH gives compound B as the main product. B on ozonolysis gives C and D. C gives Cannizaro reaction but not alodol condensation. D gives aldol condensation but not Cannizaro reaction. A is:
NOTE:
Cannizzaro reaction is given by the aldehydes that do not contain α-H-tom. The aldehydes like acetaldehyde, CH3CHO possess α-H-tom and hence, do not undergo the Cannizzaro reaction.