Lucas reagent is
(a) conc. HCl and anhy. ZnCl2
(b) conc. HNO3 and anhy. ZnCl2
(c) conc. HCl and hydrous ZnCl2
(d) conc. HNO3 and hydrous ZnCl2
(a) The equimolar mixture of concentrated hydrochloric acid and anhydrous ZnCl2 is called Lucas reagent. Lucas reagent is used to distinguish between 1, 2 and 3 alcohols.