NEET2023ChemistrySurface ChemistryActual
Which of the following is a positively charged sol?
Options
- ASilver sol
- BSb ₂ ~S ₃ SOl
- CMethylene blue sol
- DCongo red sol
Correct answer
C. Methylene blue sol
Step-by-step solution
- Methylene Blue sol is a positively charged sol. - Silver sol, Sb ₂ ~S ₃ sol and congo red sol are negatively charged sol.