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The stability...

Question

The stability of lyophobic sols is due to:

A

Brownian motion only

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B

electric charge only

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C

both Brownian motion and electric charge

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D

particle size

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Solution

The correct option is C both Brownian motion and electric charge
The stability of the colloidal solution is mainly due to the charge present on colloidal particles which prevent them from coming closer and coagulate with each other along with Brownian motion due to which colloidal particles keep moving always.

Hence, option $C$ is correct.

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Similar questions

Q. Which of the following statements is/are correct regarding the stability of sol?
(i) Lyophilic sols are stabilized due to a layer of solvent around sol particles.
(ii) Lyophobic sols are stabilised due to presence of charge.
(iii) Addition of lyophilic brings in more stability to lyophobic.
(iv) Addition of lyophobic brings in more stability to lyophobic.

Q. Assertion :Colloidal solutions exhibits Brownian motion. Reason: Brownian motion is responsible for stability of solutions.

Choose the correct option about assertion and reason from the following:

Q. The Brownian motion is due to:

Q. How is Brownian motion caused?

Q. Brownian motion is a/an :

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