NEETChemistrySurface Chemistry
What happens when an electrolyte, NaCl is added to hydrated ferric oxide sol?
Options
- AThe sol becomes more stable.
- BCoagulation occurs The particles aggregate and settle down.
- CThe sol turns a different color.
- DThe sol becomes denser.
Correct answer
B. Coagulation occurs The particles aggregate and settle down.
Step-by-step solution
Correct Option is : (B) Coagulation occurs The particles aggregate and settle down.