Question

differentiate between colloidal sol and a gel​

Answer 1

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Answer 2

Answer:

Sl. No. Sol Gel

1 Definition: The liquid state of a colloidal solution is called sol. Definition: The solid or semi-solid (Jelly like) stage of a colloidal solution is called gel.

2 The sol does not have a definite structure. The gel possesses honeycomb like structure.

3 The dispersion medium of the sol may be water (hydrosol) or alcohol (alcosol). The dispersion medium of gel will be hydrated colloid particles.

4 The sol can be converted to gel by cooling. The gel can be converted to sol by heating.

5 The sol can be easily dehydrated. The gel cannot be dehydrated.

6 The viscosity of the sol is very low. The viscosity of the gel is very high.

7 Sol is categorized into lyophobic and lyophilic sols. There is no such classification of gel.

8 Example: Blood Example: Fruit jelly, cooked gelatin jelly

Explanation:

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