NEET levelSingle correct optionDifficulty 1 of 3hx188
DDT is prepared by heating chlorobenzene with
Atrichloroethanal (chloral) in the presence of concentrated HX2SOX4
Bethanal and aqueous NaOH
Cmethanal and hydrochloric acid
Dcarbon tetrachloride and anhydrous AlClX3
Answer: A
Two molecules of chlorobenzene condense with one molecule of chloral, CClX3CHO, with conc. HX2SOX4 removing water, to give (4-ClCX6HX4)X2CH−CClX3 (DDT).