Subject: Physical Chemistry · Chapter: Surface Chemistry · Topic: Surface Chemistry – General · Exam: NET DEC 2011 · Marks: 2 · Difficulty: Medium
Flocculation value of $\mathrm{K}_{2} \mathrm{SO}_{4}$ is much less than that of KBr for Sol A . Floccultion value of $\mathrm{CaCl}_{2}$ is much less than that of NaCl for Sol B. Which of the following statements is correct?
(a)Sol A is negatively charged and Sol B is positively charged
(b)Both the sols are negatively charged.
(c)Sol A is positively charged and sol B is negatively charged