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Question
Define the following term : Multimolecular colloids
Solution
Multimolecular colloids are species having size in the colloidal range (diameter < 1 nm) that are formed by the aggregation of large number of atoms or small molecules of substances when dissolved in the dispersion medium.
RELATED QUESTIONS
What are lyophilic and lyophobic colloids ? Which of these sols can be easily coagulated on the addition of small amounts of electrolytes?
Out of sulphur sol and proteins, which one form multimolecular colloids?
How are the colloidal solutions classified on the basis of physical states of the dispersed phase and dispersion medium?
How are colloids classified on the basis of Physical states of components
How are colloids classified on the basis of Interaction between dispersed phase and dispersion medium?
Which of the following interface cannot be obtained?
Method by which lyophobic sol can be protected?
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 ______.
Differentiate between the following:
Lyophobic Sol and Lyophilic Sol
