ExamBro
ExamBro
TS EAMCET · Chemistry · Surface Chemistry

For As2S3 sol, the most effective coagulating agent is

  1. A CaCO3
  2. B NaCl
  3. C FeCl3
  4. D Clay
Verified Solution

Answer & Solution

Correct Answer

(C) FeCl3

Step-by-step Solution

Detailed explanation

According to the Hardy-Schulze rule, the coagulating power of an ion is directly proportional to charge on the ion. Higher the charge on coagulating ion, higher is the coagulating power. As2S3 is a negatively charged sol, therefore positively charged ion is required to coagulate…