In Carius method for estimation of halogens, 180 mg of an organic compound produced 143.5 mg of AgCl. The percentage composition of chlorine in the compound is %. (Given : molar mass in g mol-1 of Ag:108, Cl:35.5)
Answer
20
Solution
All Cl is converted to AgCl: \% Cl = 35.5143.5 143.5180 100
= 35.5180 100 = 19.7 20
Answer: 20