Advertisements
Advertisements
Question
Define the following terms: Associated colloids
Solution
Substances which at low concentrations behave as normal strong electrolytes but at higher concentrations exhibit colloidal behaviour because of the formation of aggregates or micelles are known as associated colloids.
APPEARS IN
RELATED QUESTIONS
What is the reason for the stability of colloidal sols?
Explain what is observed An electrolyte, NaCl is added to hydrated ferric oxide sol.
Explain what is observed Electric current is passed through a colloidal sol?
Explain the terms Tyndall effect.
Answer the following question.
Why are medicines more effective in the colloidal state?
Which of the following statements are correct?
(i) Mixing two oppositely charged sols neutralises their charges and stabilises the colloid.
(ii) Presence of equal and similar charges on colloidal particles provides stability to the colloids.
(iii) Any amount of dispersed liquid can be added to emulsion without destabilising it.
(iv) Brownian movement stabilises sols.
What causes brownian motion in colloidal dispersion?
Give reason for the following:
Lyophilic colloidal solutions are more stable than lyophobic colloidal solutions.
The important factor in the stabilization of a colloidal solution is ______
The right option for the statement “Tyndall effect is exhibited by”, is ______.
