Q.
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)
Numerical Question
This is a numerical-answer question. The correct answer is shown below.
Explanation
[Solution by Dr. Abubacker] 143.5 mg of AgCl (molar mass 143.5) contains 35.5 mg of Cl. % Cl = 35.5/180 × 100 = 19.7 ≈ 20. Answer: 20.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.