Question

Lucas reagent is

• A. conc. $HCI$ and anhy. $ZnCI_2$
• B. conc.$HNO_3$ and anhy. $ZnCI_2$
• C. conc.$HCI$ and hydrous $ZnCI_2$
• D. conc.$HNO_3$ and hydrous $ZnCI_2$

Answer 1

Answer: (A)

conc. $HCI$ and anhy. $ZnCI_2$

Answer 2

The equimolar mixture of concentrated hydrochloric acid and anhydrous $ZnCI_2$ is called Lucas reagent. Lucas reagent is used to distinguish between $1^\circ, 2^\circ$ and $3^\circ$ alcohols.