MHT CET20249 May 2024Evening ShiftChemistrySurface ChemistryActual
Which from following anions has maximum coagulating power for precipitation of positive sol?
Options
- A[ Fe ( CN )₆ ]⁴⁻
- BCl ⁻
- CSO ₄⁻
- DPO ₄⁻⁻
Correct answer
A. [ Fe ( CN )₆ ]⁴⁻
Step-by-step solution
In the coagulation of positive sol, greater the negative charge of the flocculating ion added, greater is its power to cause precipitation.