Q.

Which of the following statements is not true in respect of hydrophilic sols?

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a

They are quite stable and are not easily coagulated

b

There is considerable interaction between dispersed phase and dispersion medium (water)

c

The sol particles are hydrated

d

They are very sensitive to coagulation by a small concentration of electrolytes

answer is D.

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Detailed Solution

Hydrophilic sols have extra stability due to both the charge on the particles and their solvation.

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Which of the following statements is not true in respect of hydrophilic sols?