Advertisements
Advertisements
प्रश्न
What happens when a freshly prepared precipitate of Fe(OH)3 is shaken with a small amount of FeCl3 solution?
उत्तर
Peptization takes place forming a positively charged colloidal sol of Fe(OH)3.
Peptization is a process of passing of a precipitate into colloidal particles on adding suitable electrolyte. The electrolyte added is known as the peptizing agent.
APPEARS IN
संबंधित प्रश्न
Define the following terms: Associated colloids
Out of BaCl2 and KCl, which one is more effective in causing coagulation of a negatively charged colloidal Sol? Give reason.
Explain what is observed When a beam of light is passed through a colloidal sol.
What happens when persistent dialysis of a colloidal solution is carried out?
What happens when an emulsion is centrifuged?
Answer the following question.
Why are medicines more effective in the colloidal state?
Gold number is associated with:-
The right option for the statement “Tyndall effect is exhibited by”, is ______.
State Hardy-Schulze rule.
6.84 g Al2(SO4)3 is needed to coagulate 2.5 L of As2S3 sol completely in 2.0 hrs. The coagulation value of Al2 (SO4)3 is ______.
