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प्रश्न
Differentiate between the following:
Lyophobic Sol and Lyophilic Sol
उत्तर
| Sr. No. | Lyophobic Sol | Lyophilic Sol |
| 1. | They are solvent-hating and thermodynamically unstable. | They are solvent-loving and thermodynamically stable. |
| 2. | Precipitation is an irreversible process. | Precipitation is a reversible process. |
| 3. | Formed by special methods. | Formed easily by direct mixing. |
| 4. | For example, Metal sulphides and hydroxides. | For example, Starch, Gelatin. |
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संबंधित प्रश्न
Define the following terms: Lyophilic colloid
Out of sulphur sol and proteins, which one form multimolecular colloids?
Give reasons for the following observations: Lyophilic sol is more stable than lyophobic sol.
How are colloids classified on the basis of Physical states of components
How are colloids classified on the basis of Nature of dispersion medium
Which of the following interface cannot be obtained?
Which of the following colloids cannot be coagulated easily?
(i) Lyophobic colloids.
(ii) Irreversible colloids.
(iii) Reversible colloids.
(iv) Lyophilic colloids.
What happens when gelatin is mixed with gold sol?
Match the items given in Column I and Column II.
| Column I | Column II |
| (i) Protective colloid | (a) \[\ce{FeCl3 + NaOH}\] |
| (ii) Liquid-liquid colloid | (b) Lyophilic colloids |
| (iii) Positively charged colloid | (c) Emulsion |
| (iv) Negatively charged colloid | (d) \[\ce{FeCl3}\] + hot water |
Movement of dispersion medium under the influence of electric field is known as ______.
