Advertisements
Advertisements
Question
Assertion: Colloidal solutions do not show brownian motion.
Reason: Brownian motion is responsible for stability of sols.
Options
Assertion and reason both are correct and the reason is correct explanation of assertion.
Assertion and reason both are correct but reason does not explain assertion.
Assertion is correct but reason is incorrect.
Both assertion and reason are incorrect.
Assertion is incorrect but reason is correct.
Advertisements
Solution
Assertion is incorrect but reason is correct.
Explanation:
Colloidal particle shows Brownian movement. The Brownian movement has a stirring effect which does not permit the particles to settle and thus, is responsible for the stability of sols.
APPEARS IN
RELATED QUESTIONS
What is the reason for the stability of colloidal sols?
Define the following term:
Zeta potential
Give reasons for the following observations:
Brownian movement provides stability to the colloidal solution.
Give reasons for the following observations: Leather gets hardened after tanning.
What modification can you suggest in the Hardy-Schulze law?
Explain what is observed when an electrolyte NaCl is added to hydrated ferric oxide sol.
Explain the term Electrophoresis
Explain the terms Dialysis
The values of colligative properties of colloidal solution are of small order in comparison to those shown by true solutions of same concentration because of colloidal particles ______.
Which phenomenon occurs when an electric field is applied to a colloidal solution and electrophoresis is prevented?
(i) Reverse osmosis takes place.
(ii) Electroosmosis takes place.
(iii) Dispersion medium begins to move.
(iv) Dispersion medium becomes stationary.
How does it become possible to cause artificial rain by spraying silver iodide on the clouds?
What causes brownian motion in colloidal dispersion?
Why does leather get hardened after tanning?
What is Gold number?
Gold number of protective colloids A, Band Dare 0.50, 0.01 and 0.10 and 0.005. The correct order of their protecting power is
The important factor in the stabilization of a colloidal solution is ______
The right option for the statement “Tyndall effect is exhibited by”, is:
Why a negatively charged sol is obtained when AgNO3 solution is added to KI solution?
