Question

Chloroform for anesthetic purposes is tested for its purity with the reagent.

• A. Silver nitrate
• B. Lead nitrate
• C. Ammoniacal $Cu_{2}Cl_{2}$
• D. Lead nitrate

Answer 1

Answer: (A)

Silver nitrate

Answer 2

If $CHCl_{3}$ sample contains phosgene $(COCl_{2})$ then it will give a white ppt. When treated with cold $AgNO_{3}$.