1.

When freshly precipitated Fe(OH)_3 is boiled with water in the presence of few drops of dil HCl, a hydrated ferric oxide sol is obtained. This method is termed

Answer»

Dialysis 
Peptization 
ultrafiltration 
Electro dispersion 

SOLUTION :`Fe(OH)_(3_(s)) OVERSET(FeCl_(("sol")))(rarr)Fe(OH)_(3_(("sol")))`
The process of converting a ppt into COLLOIDAL sol by shaking it with D.M in the presence of SMALL amount of electrolyte is called peptisation.


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