Question 5.14:How are colloids classified on the basis of(i) Physical states of components(ii) Nature of dispersion medium and(iii) Interaction between dispersed phase and dispersion medium?
Question 5.14:
How are colloids classified on the basis of
(i) Physical states of components
(ii) Nature of dispersion medium and
(iii) Interaction between dispersed phase and dispersion medium?
1 answers
Answer:
Colloids can be classified on various bases:
(i) On the basis of the physical state of the components (by components we mean the dispersed phase and dispersion medium). Depending on whether the components are solids, liquids, or gases, we can have eight types of colloids.
(ii) On the basis of the dispersion medium, sols can be divided as:
Dispersion medium
Name of sol
Water
Aquasol or hydrosol
Alcohol
Alcosol
Benzene
Benzosol
Gases
Aerosol
(iii) On the basis of the nature of the interaction between the dispersed phase and dispersion medium, the colloids can be classified as lyophilic (solvent attracting) and lyophobic (solvent repelling).
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